Metz vs Río Otún

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Metz ( METS, French: [mɛs] (listen), Lorraine Franconian: [mɛts]; Latin: Divodurum Mediomatricorum, then Mettis) is a city in northeast France located at the confluence of the Moselle and the Seille rivers. Metz is the prefecture of the Moselle department and the seat of the parliament of the Grand Est region. Located near the tripoint along the junction of France, Germany, and Luxembourg, the city forms a central place of the European Greater Region and the SaarLorLux euroregion.Metz has a rich 3,000-year-history, having variously been a Celtic oppidum, an important Gallo-Roman city, the Merovingian capital of Austrasia, the birthplace of the Carolingian dynasty, a cradle of the Gregorian chant, and one of the oldest republics in Europe. The city has been steeped in Romance culture, but has been strongly influenced by Germanic culture due to its location and history.Because of its historical, cultural, and architectural background, Metz has been submitted on France's UNESCO World Heritage Tentative List. The city features noteworthy buildings such as the Gothic Saint-Stephen Cathedral with its largest expanse of stained-glass windows in the world, the Basilica of Saint-Pierre-aux-Nonnains being the oldest church in France, its Imperial Station Palace displaying the apartment of the German Kaiser, or its Opera House, the oldest one working in France.

Metz is home to some world-class venues including the Arsenal Concert Hall and the Centre Pompidou-Metz museum. A basin of urban ecology, Metz gained its nickname of The Green City (French: La Ville Verte), as it has extensive open grounds and public gardens. The historic city centre is one of the largest commercial pedestrian areas in France.A historic garrison town, Metz is the economic heart of the Lorraine region, specialising in information technology and automotive industries. Metz is home to the University of Lorraine, Georgia Tech Lorraine, and a centre for applied research and development in the materials sector, notably in metallurgy and metallography, the heritage of the Lorraine region's past in the iron and steel industry.

Source: Wikipedia

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The Otún River (Río Otún) is a river in the Risaralda department of Colombia. Its source is Lake Otún, fed by meltwater from Nevado Santa Isabel, and its outlet is the Cauca River. The Otún River passes between the cities of Pereira and Dosquebradas, and is crossed at that point by the César Gaviria Trujillo Viaduct, one of the largest cable-stayed bridges in South America. The Otún River is the only source of drinking water for Pereira and Dosquebradas.

The local water company takes about 1.8 cubic metres per second (64 cu ft/s) from the river at a site known as Nuevo Libaré. Agricultural development in that region has affected the quality of the water from the river, with pig and chicken farms as well as human waste water being major sources of bacteriological contamination.[1]The river passes through several protected zones including the Otún Quimbaya Flora and Fauna Sanctuary.

Source: Wikipedia