Volgograd vs Río Otún

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Volgograd (Russian: Волгогра́д), formerly Tsaritsyn (Цари́цын) (1589–1925), and Stalingrad (Сталингра́д) (1925–1961), is the largest city and the administrative centre of Volgograd Oblast, Russia. The city lies on the western bank of the Volga, covering an area of 859.4 square kilometres (331.8 square miles), with a population of over 1 million residents. Volgograd is the fifteenth-largest city in Russia, the second-largest city on the Southern Federal District, and the fourth-largest city on the Volga. The city was founded as the fortress of Tsaritsyn in 1589. By the nineteenth century, Tsaritsyn became an important river-port and commercial centre, leading to its population expanding rapidly. During the Russian Civil War, Tsaritsyn came under Soviet control. On April 10, 1925, the city was renamed Stalingrad in honor of Joseph Stalin.

During World War II, the Axis forces attacked the city, leading to the Battle of Stalingrad, one of the largest and bloodiest battles in the history of warfare. On 10 November 1961, Nikita Khrushchev's administration changed the name of the city to Volgograd. After the dissolution of the Soviet Union, the city became the administrative centre of Volgograd Oblast. Known locally as the "Hero City", Volgograd today is the site of The Motherland Calls, an 85-meter high statue dedicated to the heroes of the battle, which is the tallest statue in Europe, as well as the tallest statue of a woman in the world. The city has many tourist attractions, such as museums, sandy beaches, and a self-propelled floating church. Volgograd was one of the host cities of the 2018 FIFA World Cup.

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