Uruguaiana vs Chongqing

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Uruguaiana is a municipality in the Brazilian state of Rio Grande do Sul. It is located on the left-hand (eastern) shore of the Uruguay River that forms the border with Argentina. Opposite Uruguaiana, and joined to it by a road/railway bridge, lies the Argentine city of Paso de los Libres, Corrientes. North of Uruguaiana lies the Brazilian municipality of Itaqui, connected by a bridge constructed by the English in 1888 over the Ibicuí River. The municipality also borders the municipalities of Alegrete, Barra do Quaraí and Quaraí, and, also, Uruguay, making it one of the few international triple-border municipalities of Brazil.

The city marks the southernmost point reached by the Paraguayans in the Paraguayan War; after being taken without resistance, it was recaptured after a six-week siege that effectively ended the phase of Paraguayan offensive operations.Nowadays, Uruguaiana represents the biggest in population and arguably most important municipality of the sparsely populated western Rio Grande do Sul.

Source: Wikipedia

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Chongqing (Sichuanese pronunciation: [tsʰoŋ˨˩tɕʰin˨˩˦], Standard Mandarin pronunciation: [ʈʂʰʊ̌ŋ.tɕʰîŋ] (listen), UK: , US: ,), alternately romanized as Chungking, is a megacity in southwest China. Administratively, it is one of the four municipalities under the direct administration of central government of the People's Republic of China (the other three are Beijing, Shanghai and Tianjin), and the only such municipality located far away from the coast. The municipality of Chongqing, which is around the size of Austria, includes the city of Chongqing and various non-connected cities. As the Chongqing municipality government directly administers the city of Chongqing, as well as rural counties, and other cities not connected to the city of Chongqing, Chongqing municipality can technically claim to be the largest city proper in the world, even though this is due to a classification technicality and not because it is actually the world's largest urban area. This title belongs to the Guangzhou-Shenzhen Pearl River Delta agglomeration. Chongqing was a municipality during the Republic of China (ROC) administration, within the Sichuan Province. It served as its wartime capital during the Second Sino-Japanese War (1937–1945), being one of the world's anti-fascist command centers. The current municipality was separated from Sichuan province on 14 March 1997 to help develop the central and western parts of China.

The Chongqing administrative municipality has a population of over 30 million. The city of Chongqing, comprising 9 urban and suburban districts, has a population of 8,750,000 as of 2018. According to the 2010 census, Chongqing is the most populous Chinese municipality, and also the largest direct-controlled municipality in China, containing 26 districts, eight counties, and four autonomous counties. The official abbreviation of the city, "Yú" (渝), was approved by the State Council on 18 April 1997. This abbreviation is derived from the old name of a part of the Jialing River that runs through Chongqing and feeds into the Yangtze River. Chongqing has a significant history and culture. Being one of China's National Central Cities, it serves as the economic centre of the Sichuan Basin and the upstream Yangtze. It is a major manufacturing centre and transportation hub; a July 2012 report by the Economist Intelligence Unit described it as one of China's "13 emerging megalopolises". Chongqing is ranked as a Beta global city. Chongqing is also one of the top 100 science cities in the world by scientific research as tracked by the Nature Index according to the Nature Index 2020 Science Cities and home to several notable universities, including Chongqing University and Southwest University.

Source: Wikipedia