Volgograd vs Arch

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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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An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it. Arches may be synonymous with vaults, but a vault may be distinguished as a continuous arch forming a roof.

Arches appeared as early as the 2nd millennium BC in Mesopotamian brick architecture, and their systematic use started with the ancient Romans, who were the first to apply the technique to a wide range of structures.

Source: Wikipedia