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83-475: In the 1920s the coal and steel industry in the Ruhrgebiet produced blast furnace gas and coal gas as a by-product of iron production and coking . The steel industry and coking processes used large amounts of these gasses or alternative fuels. As supply and demand of gas varied independently, sometimes excess gas had to be flared off , while at other times additional fuel had to be purchased. The Gasometer

166-474: A 17 meter (55 feet) model of the Matterhorn was suspended from the ceiling, upside down. It was used as a projection screen to show the mountain during various times of the day, also superimposing climbing routes. Underneath the model was a large-scale mirror. The exhibition showed the beauty of nature and the influence of humans on their environment. “The Fragile Paradise” took visitors on a journey through

249-766: A CD. The piece used the architectural proportions of the German building the Ludgwigskirche to determine the rates of repetitions and pauses in vibrating drinking glasses. In 1994, Kubisch was employed as professor of sculpture and media art at the Academy of Fine Arts in Saarbrücken, Germany, and she continued to serve in that position until 2013. In 1996, Kubisch created the permanent installation The Clocktower Project at MASS MoCA in North Adams, Massachusetts,

332-560: A decisive role in the development of coal mining in the Ruhr. According to the Regionalverband Ruhr (RVR, Ruhr Regional Association), 37.6% of the region's area is built up. A total of 40.7% of the region's land remains in agricultural use. Forests account for 17.6%, and bodies of water and other types of land use occupy the rest. The inclusion of four mainly rural districts in the otherwise mainly industrial Ruhr helps to explain

415-543: A diploma in 1976. Kubisch began performing in 1974. She held concerts in Europe and the United States, and during the period from 1974 to 1980 she began performing with Italian artist Fabrizio Plessi to create video concerts and installations. She created her first sound installations and sound sculptures in 1980 and began working in electroacoustic composition. Her works during this time included Two and Two (1977),

498-543: A guest professor at the Academy of Fine Arts in Berlin. In 1992 she was given an international residency project by the Queen Elizabeth II Arts Council of New Zealand. From 1994 to 1995, Kubisch served as a guest professor at the École nationale supérieure des Beaux-Arts, Paris. Kubisch's 1994 installation Sechs Spiegel is one of her better-known pieces, and the sound was recorded and released as

581-478: A lesser extent between either club and/or VfL Bochum , MSV Duisburg or Rot-Weiss Essen ( kleines Revierderby ). With 22 universities and colleges and more than 250,000 students, the Ruhr region has the highest density of further education establishments anywhere in Germany. These include five universities alone in the cities of Bochum, Duisburg, Dortmund, Essen and Witten . In addition, Folkwang University of

664-582: A live, multimedia performance and Tempo Liquido (1979), a minimalist piece. From 1980 to 1981, Kubisch began studying electronics at the Technical Institute of Milan and began working with electromagnetic induction. She began creating sound installations as a way to move out of the concert hall space. Her 1981 work Il Respiro del Mare marked the beginning of her work with electromagnetic induction, in which electronic sounds can be heard with special headphones. In 1982, Kubisch participated in

747-420: A non-aggression pact with Germany. During World War II, the bombing of the Ruhr in 1940–1944 caused a loss of 30% of plant and equipment (compared to 15–20% for German industry as a whole). A second battle of the Ruhr (6/7 October 1944 – end of 1944) began with an attack on Dortmund . The devastating bombing raids of Dortmund on 12 March 1945 with 1,108 aircraft – 748 Lancasters, 292 Halifaxes, 68 Mosquitos –

830-461: A project in which she reactivated a clock tower that had long been out of commission. She created and recorded sounds for the project by ringing, striking, hammering and brushing the bells of the clock with different objects. In 1997, she was made a member of the Akademie der Künste in Berlin. Since 1999, Kubisch has received a number of awards, grants and accolades for her work. In 2000, Kubisch

913-573: A volume of 177,000m³, it was 90m high, 50m wide and was pressurised at 27 pascal over atmospheric pressure by two fans. Visitors could enter the installation through airlocks, and walk around inside the Gasometer. This exhibition showed the variety of beauty in art with almost 200 works as plaster casts or large-format photo prints from the Venus de Milo to McCurry's Afghan Girl . It had 480,000 visitors. Large-format photographs and film clips showed

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996-445: Is really no uniform regiolect that justifies designation as a single regiolect. It is rather a working-class sociolect with influences from the various dialects found in the area and changing even with the professions of the workers. A major common influence stems from the coal mining tradition of the area. For example, quite a few locals prefer to call the Ruhr either "Pott", which is a derivate of "Pütt" (pitmen's term for mine ; cp.

1079-761: Is the Klavier-Festival Ruhr in the Ruhr area with 50 to 80 events of classical and jazz music. With more than 50 museums, Ruhr has one of the largest variety of museums in Europe. Industrial Museum The city of Essen (representing the Ruhr) was selected as European Capital of Culture for 2010 by the Council of the European Union . In association football , the Revierderby is the rivalry between Borussia Dortmund and FC Schalke 04 , and to

1162-610: The Dawes Plan , which led to the withdrawal of the French and Belgian troops from the Ruhr in 1925. However, the occupation of the Ruhr caused several direct and indirect consequences to the German economy and government, including accelerating the growth of right wing parties due to the Weimar government's inability to successfully resolve the problem. On 7 March 1936, Adolf Hitler took a massive gamble by sending 30,000 troops into

1245-704: The Encyclopædia Britannica . Even after World War II, the term "Ruhr" may not have been in general use for the region: it was defined in Documents on American Foreign Relations (1948): "For the purposes of the present Agreement: (i) the expression 'Ruhr' means the areas, as presently constituted, in Land North Rhine–Westphalia, listed in the Annex to this Agreement." However, Lawrence K. Cecil and Philip Hauge Abelson still write in 1967: "In

1328-773: The European Route of Industrial Heritage in the Ruhr area. Ruhr is known for its numerous cultural institutions, many of which enjoy international reputation. Ruhr has three major opera houses and more than 10 theaters and stages. There are special classical music halls like the Bochumer Symphoniker, the Duisburg Mercatorhalle, the Saalbau Essen or the Dortmunder Philharmoniker . Each year in spring time, there

1411-739: The International Year of Astronomy . It was a project of Ruhr.2010 and ran from 2 April 2009 till 30 December 2010. Part of the show was a model of the Moon , 25m in diameter. 950,000 people visited the exhibition. This was an exhibition about natural and cultural monuments of the world. It had 800,000 visitors. "Big Air Package" (16 March 2013 – 30 December 2013) was one of the last three projects started by Christo with Jeanne-Claude , before Jeanne-Claude's death in 2009. It consisted of an envelope made of 20,350 m of semitransparent fabric and 4,500m of rope, weighing 5,300 kg. Inflated to

1494-593: The Ruhr area , sometimes Ruhr district , Ruhr region , or Ruhr valley , is a polycentric urban area in North Rhine-Westphalia , Germany . With a population density of 2,800/km and a population of over 5 million (2017), it is the largest urban area in Germany and the third of the European Union . It consists of several large cities bordered by the rivers Ruhr to the south, Rhine to

1577-499: The United Kingdom . It has been claimed that immigrants came to the Ruhr from over 140 countries. Almost all their descendants today speak German as a first language, and for various reasons, they do not identify with their Polish roots and traditions, often their Polish family names only remain as a sign of their past. The Industrial Heritage Trail ( German : Route der Industriekultur ) links tourist attractions related to

1660-572: The bow echo that hit the cities on June 9, 2014, and caused tens of thousands of trees to fall which was publicly dubbed the "Pfingststurm" (German for "Whitsun storm"). Winters have become more mild which poses a risk for crops such as apples whose blooms are vulnerable to late freezes if bud break happens too early. The ten largest cities of the Ruhr: The local regiolect of German is commonly called Ruhrdeutsch ( Ruhrgebietsdeutsch, Ruhrpottdeutsch, Ruhrpottisch, Ruhrpöttisch ) although there

1743-537: The imperial city of Dortmund were concentrated along the Hellweg from the Rhineland to Westphalia . Since the 19th century, these cities have grown together into a large complex with a vast industrial landscape, inhabited by some 7.3 million people (including Düsseldorf and Wuppertal , large cities that are nearby but officially not part of the Ruhr area). The Ruhr area has no administrative centre; each city in

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1826-414: The 1950s and 1960s, as very rapid economic growth (9% a year) created a heavy demand for coal and steel. After 1973, Germany was hard hit by a worldwide economic crisis, soaring oil prices, and increasing unemployment, which jumped from 300,000 in 1973 to 1.1 million in 1975. The Ruhr region was hardest hit, as the easy-to-reach coal mines became exhausted, and German coal was no longer competitive. Likewise

1909-537: The A44 and the A52 have several missing links, in various stages of planning. Some missing sections are currently in construction or planned to be constructed in the near future. Christina Kubisch Christina Kubisch (born 31 January 1948) is a German composer, sound artist, performance artist, professor and flautist. She composes both electronic and acoustic music for multimedia installations. She gained recognition in

1992-663: The Academy of Fine Arts in Stuttgart, Germany from 1967 to 1968. She studied flute, piano and composition at the Academy of Music in Hamburg, Germany and the Jazz Academy of Graz, Austria from 1969 to 1972. From 1972 to 1974, she continued studying music at the Conservatory of Zurich. In 1974 she moved to Milan, Italy where she began studying composition and electronic music at the conservatory of Milan . She graduated with

2075-662: The Arts is an internationally acclaimed art college with its base in the Ruhr region. Furthermore, the universities are not the only places in the Ruhr region where academic qualifications can be obtained. There are 17 different universities of applied sciences which offer students to have the opportunity to undertake practice-relevant and qualified studies in various subjects, such as economics, logistics, administration or management. The Ruhr area has 5 major universities in 6 cities with about 120,000 students. The three largest universities (Ruhr University Bochum, TU Dortmund University, and

2158-532: The Duchies of Cleves and Berg and the territories of the bishop of Münster and the archbishop of Cologne . The region included some villages and castles, and was mainly agrarian: its loess soil made it one of the richer parts of western Germany. The free imperial city of Dortmund was the trading and cultural centre, lying on the Hellweg , an important east–west trading route, that also brought prosperity to

2241-519: The English "pit"), or "Revier". During the nineteenth century, the Ruhr attracted up to 500,000 ethnic Poles , Masurians and Silesians from East Prussia and Silesia in a migration known as Ostflucht (flight from the east). By 1925, the Ruhrgebiet had around 3,800,000 inhabitants. Most of the new inhabitants came from Eastern Europe, but immigrants also came from France , Ireland , and

2324-414: The Gasometer for its exhibition. Ownership transferred to the city of Oberhausen, with Ruhrkohle AG paying 1.8 million DM in saved demolition costs to the city. Conversion and restoration were done by Deutsche Babcock AG from 1993 to 1994. The former pressure disc was positioned at a 4.5 m height, with a 3000 m exhibition space on the ground floor below. The main exhibition space, located on top of

2407-402: The Gasometer. "Fire Light Sky" was an installation of sound and light by Christina Kubisch , combined with an exhibition about the history of the Gasometer. This exhibition was a cooperation with DLR . It showed large satellite images of the earth and various objects to do with space exploration. It had 375,000 visitors. This exhibition about space and the solar system was organised to mark

2490-675: The Jan van Eyck Academy in Maastricht, Germany and in 1990 she received a projects grant from Kunstfonds e.V., Bonn. From 1990 to 1991, Kubisch began creating her first works with solar energy. She also served as a guest lecturer at the Academy of Fine Arts in Münster , Germany and received a working grant from the Senator for Cultural Affairs, Berlin. She received another studio grant from the Senator in 1994. After 1991 and until 1994 she served as

2573-754: The Rhineland . As Hitler and other Nazis admitted, the French army alone could have destroyed the Wehrmacht . The French passed the problem to the British, who found that the Germans had the right to "enter their own backyard", and no action was taken. In the League of Nations , the Soviet delegate Maxim Litvinov was the only one who proposed economic sanctions against Germany. All restraint on German rearmament

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2656-481: The Ruhr is structured differently from monocentric urban regions such as Munich , which developed through the rapid absorption of smaller towns and villages by the most significant city among them. Instead in the Ruhr, the individual city boroughs and urban districts of the Ruhr grew in a rapid and parallel fashion independently of one another during the Industrial Revolution . The population density of

2739-583: The Ruhr steel industry went into sharp decline, as its prices were undercut by lower-cost suppliers such as Japan. The welfare system provided a safety net for the large number of unemployed workers, and many factories reduced their labor force and began to concentrate on high-profit specialty items. As demand for coal decreased after 1958, the area went through phases of structural crisis (see steel crisis ) and industrial diversification, first developing traditional heavy industry, then moving into service industries and high technology. The air and water pollution of

2822-551: The Ruhr" was published in Papers Relating to the Foreign Relations of the United States . The 1926 Encyclopædia Britannica , in addition to its article on the river Ruhr, has a further article on "RUHR, the name given to a district of Westphalia, Germany". Thus the name "Ruhr" was given to the region (as a short form of "Ruhr District" or "Ruhr Valley") only a few years before the publication of this edition of

2905-769: The Ruhr's coal and steel industries, was created as a condition for the establishment of the Federal Republic of Germany . During the Cold War , the Western allies anticipated that any Red Army thrust into Western Europe would begin in the Fulda Gap and have the Ruhr as a primary target. Increased German control of the area was limited by the pooling of German coal and steel into the multinational European Coal and Steel Community in 1951. The nearby Saar region , containing much of Germany's remaining coal deposits,

2988-512: The Ruhr, who were known as Ruhrpolen since. The Poles were treated as second class citizens. In 1899 this led to a revolt in Herne of young Polish workers, who later established a Workers' Union. Skilled workers in the mines were often housed in "miners' colonies", built by the mining firms. By 1870, over 3 million people lived in the Ruhrgebiet and the new coal-mining district had become the largest industrial region of Europe. During World War I

3071-427: The Ruhr. By 1950, after the virtual completion of the by-then much watered-down "level of industry" plans, equipment had been removed from 706 manufacturing plants in the west, and steel production capacity had been reduced by 6.7 million tons. Dismantling finally ended in 1951. In all, less than 5% of the industrial base was dismantled. The Ruhr was at the centre of the German economic miracle Wirtschaftswunder of

3154-525: The Ruhrgebiet functioned as Germany's central weapon factory. At a big Essen company, F. Krupp A.G., the number of employees rose from 40,000 to 120,000 or more, in four years. They were partly women, partly forced labourers. In the March 1920 Kapp Putsch , nationalist and monarchist elements with the armed support of Freikorps units attempted to overthrow the government of the Weimar Republic . It

3237-597: The Transport and General Workers Union (London 1923). Yet "The report of a deputation from the Transport and General Workers' Union which spent a fortnight examining the problems in the Ruhr Valley", published in The Economic Review , Volume 8, 1923, is still using the traditional term. In the same year, "Objections by the United States to discriminatory regulations on exports from the occupied region of

3320-625: The University of Duisburg-Essen) opened an alliance called " UA Ruhr ". Students enrolled at one of the UA Ruhr universities can attend lectures and seminars at all three institutions without having to pay a visiting student fee. Consequently, they have many options to specialize in and to explore their chosen disciplines in depth. The UA Ruhr has three liaison offices for interested students in New York City , Moscow and São Paulo . With

3403-726: The Venice Biennale. In 1986 she began working with a new medium, ultraviolet light, and in 1987 she moved to Berlin. During that time, she created the pieces On Air (1984) and Iter Magneticum (1986) and "Night Flight" (1987). In 1988, Kubisch received the Award of the German Industrial Association and took on a residency grant at the Barkenhoff in Worpswede, Germany. In 1989 she became a lecturer at

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3486-476: The Versailles Treaty. The German government responded with a policy of passive resistance, letting workers and civil servants refuse orders and instructions by the occupation forces. Production and transport came to a standstill and the financial consequences contributed to German hyperinflation . After passive resistance was called off in late 1923, Germany implemented a currency reform and negotiated

3569-521: The area are largely a thing of the past although some issues take a long time to solve. In 2005 Essen was the official candidate for nomination as European Capital of Culture for 2010. The Ruhr has an oceanic climate in spite of its inland position, with winds from the Atlantic travelling over the lowlands to moderate temperature extremes, in spite of its relatively northerly latitude that sees significant variety in daylight hours. A consequence of

3652-529: The area has its own administration, although there is a supracommunal Ruhr Regional Association  [ de ] institution in Essen. For 2010, the Ruhr region was one of the European Capitals of Culture . The 1911 edition of Encyclopædia Britannica has only one definition of "Ruhr": "a river of Germany, an important right-bank tributary of the lower Rhine". The use of the term "Ruhr" for

3735-414: The article, "Exports from the Ruhr district of Germany". In 1924 the English and American press was still talking of the "French occupation of the Ruhr Valley" or "Ruhr District". A 62-page publication seems to be responsible for the use of "Ruhr" as a short form of the then more common "Ruhr District" or "Ruhr Valley": Ben Tillett, A. Creech-Jones and Samuel Warren's The Ruhr: The Report of a Deputation from

3818-482: The bigger European cities as Amsterdam , Brussels , Paris , Vienna or Zürich . The Ruhr area also contains the longest tram system in the world, with tram and Stadtbahn services from Witten to Krefeld as well as the Rhine-Ruhr S-Bahn network. Originally the system was even bigger, it was possible to travel from Unna to Bad Honnef without using railway or bus services. The Ruhr has one of

3901-410: The borders of the present-day city of Oberhausen . Moreover, the urbanization also boosted the expansion of railroad connections. At the beginning of the 1880s, agricultural regions did not benefit from the newly built transport facilities as much as non-agricultural regions did. This in its turn increased inequality, and made anthropometric measurements, e.g. height, more dependent on wages . In

3984-588: The central Ruhr is about 2,100 inhabitants per square kilometre (about 5,400 per square mile)—not too high compared to other German cities. Between the constituent urban areas are relatively open suburbs and even some open land with agricultural fields. In many places however, the borders between cities in the central Ruhr are unrecognizable, blending into one urban landscape due to continuous development across them. The replanting of brownfield land has created new parks and recreation areas in recent decades. The Emscher Landschaftspark (Emscher Landscape Park) lies along

4067-469: The climate history of our earth and showed in award-winning photographs and videos how the flora and fauna changed during the Anthropocene . Starting in mid-March 2024, this show takes visitors to the mostly unknown world of the oceans. The highlight is likely to be the huge installation “The Wave” on a screen that rises 40 meters into the air. It shows scenes of the underwater world and was created by

4150-613: The creative forces of life. In the center, a model of the earth (20 meters in diameter, approx. 65 feet) seemingly floated within the Gasometer, with moving satellite images projected on them showing the changes between day and night and the seasons. With over 1.3 million people, it was the most-visited exhibition in the Gasometer to date. The exhibition was designed in co-operation with the Deutsches Zentrum für Luft- und Raumfahrt and focused on mountains, their creation, exploration, flora and fauna. In 100 meters (330 feet) height,

4233-429: The densest motorway networks in all of Europe, with dozens of Autobahns and similar Schnellstraßen (expressways) crossing the region. The Autobahn network is built in a grid network, with four east–west ( A2 , A40 , A42 , A44 ) and seven north–south ( A1 , A3 , A43 , A45 , A52 , A57 , A59 ) routes. The A1, A2 and A3 are mostly used by through traffic, while the other autobahns have a more regional function. Both

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4316-598: The districts of Wesel , Recklinghausen , Unna and Ennepe-Ruhr-Kreis . The most populous cities are Dortmund (with a population of approximately 612,065), Essen (about 583,000) and Duisburg (about 497,000). In the Middle Ages, the Hellweg was an important trade route from the region of the Lower Rhine to the mountains of the Teutoburg Forest . The most important towns of the region from Duisburg to

4399-630: The exception of public transport companies serving Hamm and Kreis Unna , all such companies in the Ruhr region are run under the umbrella of the Verkehrsverbund Rhein-Ruhr , which provides a uniform ticket system valid for the entire area. The Ruhr region is well-integrated into the national rail system, the Deutsche Bahn , for both passenger and goods services, each city in the region has at least one train stations. The bigger central stations have hourly direct connections to

4482-518: The first place, the average person uses the term 'Ruhr' indiscriminately as the Ruhr River or the Ruhr district, two entirely different things. The Ruhr River is only one of half a dozen rivers in the Ruhr district, in addition to the Rhine. The Rhine itself runs through the heart of the Ruhr district." According to Merriam Webster's Geographical Dictionary , a standard reference on place names around

4565-494: The gas burned up and the pressure disc slowly descended. The Gasometer officially stopped operating 31 December 1944. It was completely disassembled after it had caught fire during repair work on 10 June 1946. Reconstruction began 1949 using the original pressure disc and roof. By 1 June 1950 the Gasometer was operational again. In 1977 the Gasometer was repainted, at a cost of 3.5 million DM. In later years many coking plants and iron works closed, reducing supply as well as demand for

4648-548: The gas stored in the Gasometer. In addition, natural gas became cheaper. The Gasometer became superfluous and in 1988 it was decommissioned by its owner, Ruhrkohle AG . A discussion ensued about the dismantling or possible reuse of the Gasometer. In 1992 the city council of Oberhausen, with a margin of 1 vote decided to acquire the building and convert it to an exhibition space. At the time, plans were being developed for building shopping mall ( CentrO ) on an adjacent plot, and Internationale Bauausstellung Emscher Park planned to use

4731-432: The hills, highly skilled workers manufactured knives, tools, weapons and harnesses, using water, coal and charcoal. As the machines became bigger and moved from water power to steam power, locally mined coal and charcoal became expensive and there was not enough of it. The Bergische industry ordered more and more coal from the new coal mining area along the Ruhr . Impressive and expensive railways were constructed through

4814-403: The hilly Wupper region, to bring coal, and later steel, in from the Ruhr, and for outward transport of finished products. By 1850, there were almost 300 coal mines in operation in the Ruhr area, in and around the central cities of Duisburg, Essen, Bochum and Dortmund. The coal was exported or processed in coking ovens into coke , used in blast furnaces , producing iron and steel. In this period

4897-515: The history of football. It had 216,000 visitors. "Blue Gold" dealt with the subject of water. It included 833,000 kg of sand. An installation by Paul Schütze included a 50m high cone of water in an artificial lake, and video projections. This was a video installation by Bill Viola . It had 140,000 visitors. This exhibition dealt with Brian Jones and Bertrand Piccard 's 1999 round–the–world balloon flight, and it displayed their 55 metres (180 ft) high Breitling Orbiter 3 balloon inside

4980-437: The history of television. "The Wall" was organised as part of the IBA Emscher Park, at a cost of nearly 4 million DM. It was an installation by Christo and Jeanne-Claude , consisting of a stack of 13,000 oil drums in 7 colours, 68m wide, 26m high, and 7m deep, and weighed 234,000 kg. It attracted 390,000 visitors. This exhibition was organised for the centenary of the German Football Association in 2000, and documented

5063-406: The industrial region started in Britain only after World War I, when French and Belgian troops had occupied the Ruhr district and seized its prime industrial assets in lieu of unpaid reparations in 1923. In 1920, the International Labour Office published a report entitled Coal Production in the Ruhr District . In 1923, the Canadian Commercial Intelligence Journal , Volume 28, Issue 1013, includes

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5146-434: The large proportion of agricultural and forested land. In addition, the city boroughs of the Ruhr region have outlying districts with a rural character. Seen on a map, the Ruhr could be considered a single city, since there are no visible breaks between the individual city boroughs. Thus the Ruhr is described as a polycentric urban area, which shares a similar history of urban and economic development. Because of its history,

5229-489: The long run, however, effects of the railroad proximity diminished. Consequently, the population climbed rapidly. Towns with only 2,000 to 5,000 people in the early 19th century grew in the following 100 years to over 100,000. Skilled mineworkers were recruited from other regions to the Ruhr's mines and steel mills and unskilled people started to move in. From 1860 onwards there was large-scale migration of Polish speakers from Silesia , Pomerania , East Prussia and Posen to

5312-427: The marine influence is a cloudy and wet climate with low sunshine hours. Summers normally average in the low 20s, with winters being somewhat above the freezing point. From the onset of the 21st century, the effects of global warming have become more profound. The area has been affected by severe droughts (like 2018), heat waves with temperatures above 40.0 °C (104.0 °F) (2019) and severe weather events like

5395-409: The mid-1970s from her early works including concerts, performances and installations. Her work focuses on synthesising audio and visual arts to create multi-sensory experiences for participants. She focuses on finding sounds and music in unusual places that participants would normally not think of as somewhere to experience sound. Kubisch was born in Bremen , Germany in 1948. She studied painting at

5478-403: The name Ruhrgebiet became common. Before the coal deposits along the Ruhr were exhausted, the mining industry moved northward to the Emscher and finally to the Lippe, drilling ever deeper mines as it went. Locks built at Mülheim on the Ruhr led to the expansion of Mülheim as a port. With the construction of the Cologne-Minden railway in the late 19th century, several iron works were built within

5561-590: The people behind the art and technology festival Ars Electronica from Linz, Austria. Here you can - without a diving suit or breathing mask - encounter huge schools of fish or even real-size sea giants. 51°29′39″N 6°52′14″E  /  51.49417°N 6.87056°E  / 51.49417; 6.87056 Ruhr Industrial Heritage Trail by bike Ruhrgebiet The Ruhr ( / ˈ r ʊər / ROOR ; German : Ruhrgebiet [ˈʁuːɐ̯ɡəˌbiːt] , also Ruhrpott German pronunciation: [ˈʁuːɐ̯pɔt] ), also referred to as

5644-506: The pressure disc, was equipped with a stage and seating for 500 people. Lifts and stairs were installed to provide visitors access to the roof. The conversion project cost approximately DM 16 million. The exhibition "Fire and Flame" documented the history of the coal and iron industry in the Ruhr area and its influence on society. It attracted about 460,000 visitors. "I Phoenix" was an exhibition of contemporary art. It attracted 96,000 visitors. The exhibition "The Dream of Vision" dealt with

5727-403: The public in Germany, England, France, Ireland, Japan, Latvia, Sweden, Switzerland, Slovakia, Spain, Taiwan, and the United States. She has held public walks in Berlin, Cologne, Karlsruhe, Bremen, Oxford, London and New York. In 2009 and 2010, Kubisch participated in two separate residency programmes, the first in Copenhagen with the DIVA (Danish International Visiting Artists) Exchange Program and

5810-487: The rebellion in early April 1920 and re-established the Weimar Republic's control of the district. An estimated 1,000 insurgents and 200 Reichswehr soldiers were killed in the battles. In March 1921, French and Belgian troops occupied Duisburg , which under the Treaty of Versailles formed part of the demilitarized Rhineland . In January 1923 the whole Ruhr district was occupied  after Germany failed to fulfill part of its World War I reparation payments as agreed in

5893-406: The region is defined by coal -bearing layers from the upper Carboniferous period. The coal seams reach the surface in a strip along the river Ruhr and dip downward from the river to the north. Beneath the Lippe, the coal seams lie at a depth of 600 to 800 metres (2,000 to 2,600 feet). The thickness of the coal layers ranges from one to three metres (three to ten feet). This geological feature played

5976-471: The river Emscher , formerly virtually an open sewer, parts of which have undergone natural restoration. This park connects strips of parkland running from north to south, which were developed through regional planning in the 1920s, to form a green belt between the Ruhr cities from east to west. During the Middle Ages, much of the region that was later called the Ruhrgebiet was situated in the County of Mark ,

6059-704: The second in Douala, Cameroon at Doual'art. In 2013, Kubisch received a grant from the Beethoven Foundation for Arts and Culture. She currently lives in Hoppegarten near Berlin. Kubisch has received awards and grants, among others the German Industrial Association award (1988), composition grant of the city of Berlin (2000), Honorary German Sound Art award (2008), Ars Electronica Honorary Mention Digital music (2008), Saarländischer Rundfunk Media Art award (2009) and she has been invited for residencies from

6142-550: The town of Duisburg . Both towns were members of the Hanseatic League . The development of the region into an urbanized industrial area started in the late 18th century with the early industrialisation in the nearby Wupper Valley in the Bergisches Land . By around 1820, hundreds of water-powered mills were producing textiles, lumber, shingles and iron in automated processes here. In additional workshops in

6225-513: The west, and Lippe to the north. In the southwest it borders the Bergisches Land . It is considered part of the larger Rhine-Ruhr metropolitan region of more than 10 million people, which is the third largest in Western Europe , behind only London and Paris . The Ruhr cities are, from west to east: Duisburg , Oberhausen , Bottrop , Mülheim an der Ruhr , Essen , Gelsenkirchen , Bochum , Herne , Hagen , Dortmund , Hamm and

6308-711: The world, the name "Ruhr" refers to the river. The name preferred for the region in this dictionary is "Ruhrgebiet", followed by "Ruhr Valley". The urban landscape of the Ruhr extends from the Lower Rhine Basin east to the Westphalian Plain and south to the hills of the Rhenish Massif . Through the centre of the Ruhr runs a segment of the loess belt that extends across Germany from west to east. Historically, this loess belt has underlain some of Germany's richest agricultural regions. Geologically,

6391-855: Was a record to a single target in the whole of World War II. More than 4,800 tons of bombs were dropped through the city centre and the south of the city. In addition to the strategic bombing of the Ruhr , in April 1945, the Allies trapped several hundred thousand Wehrmacht troops in the Ruhr Pocket . After the war, the region fell within the British occupation zone , and Level of Industry plans for Germany abolished all German munitions factories and civilian industries that could support them and severely restricted civilian industries of military potential. The Ruhr Authority , an international body to regulate

6474-635: Was able to defeat the putsch by advocating a general strike that all but shut down Berlin. The work action effectively ended the putsch, but in the Ruhr it was the instigation for an armed revolt whose aim was to replace the Weimar Republic with a soviet-style council republic . In the Ruhr Uprising , the Ruhr Red Army was able to take control of the Ruhr industrial area. The Reichswehr , with assistance from Freikorps units, put down

6557-499: Was built as a buffer: storing excess gas and releasing it again when demand exceeded production. The Gasometer was built by Gutehoffnungshütte , by the side of the Rhine-Herne Canal . Construction started 27 February 1927 and cost 1.74 million Reichsmark . A framework of 24 steel girders was built on a concrete base, and a skin of 5mm thick sheet metal was riveted to the framework. Inside, a 1,207,000 kg pressure disc

6640-457: Was handed over to economic administration by France as a protectorate in 1947 and did not politically return to Germany until January 1957, with economic reintegration occurring two years later. Parallel to the question of political control of the Ruhr, the Allies tried to decrease German industrial potential by limitations on production and dismantling of factories and steel plants, predominantly in

6723-413: Was mounted which could freely move up and down, floating on top of the gas underneath and keeping it at a constant pressure. 15 May 1929 the Gasometer was first put into operation, with a maximum capacity of 347,000m³, a height of 117.5m and diameter of 67.6m. During World War II , the Gasometer was hit by bombs several times, but kept operating. When it was shelled by allied forces it did not explode, but

6806-591: Was now removed. France's eastern allies (the Soviet Union , Poland , Czechoslovakia , Romania and Yugoslavia ) concluded that since the French refused to defend their own border, they certainly would not stand up for their allies in the East. Hitler could now continue eroding the alliance system that France had built since 1919. On 16 October 1936, Belgium repudiated the 1921 alliance with France and declared its absolute neutrality. In October 1937, Belgium signed

6889-486: Was the feature of a 20-year retrospective solo exhibition in Russelsheim. In 2003, Kubisch began her Electrical Walks projects, which would become some of her most famous works. The walks are a sort of guided tour through a city, where participants are given special headphones, designed by Kubisch, and directed to parts of the city that have interesting soundscapes. She created personal walks that she did not open to

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