Buenos Aires

Buenos Aires (/ˈbweɪnəs ˈɛəriːz/ or /ˈaɪrɪs/,Spanish: [ˈbwenos ˈaiɾes]) is the capital and largest city of Argentina, and the second-largest metropolitan area in South America. It is located on the western shore of the estuary of the Río de la Plata, on the continent's southeastern coast. The Greater Buenos Aires conurbation, which also includes several Buenos Aires Province districts, constitutes the third-largest conurbation in Latin America, with a population of around fifteen and a half million.

The city of Buenos Aires is neither part of Buenos Aires Province nor the Province's capital; rather, it is an autonomous district. In 1880, after decades of political infighting, Buenos Aires was federalized and removed from Buenos Aires Province. The city limits were enlarged to include the towns of Belgrano and Flores; both are now neighborhoods of the city. The 1994 constitutional amendment granted the city autonomy, hence its formal name: Ciudad Autónoma de Buenos Aires (Autonomous City of Buenos Aires). Its citizens first elected a chief of government (i.e. mayor) in 1996; before, the mayor was directly appointed by the President of the Republic.

List of minor planets: 7001–8000

Buenos Aires 8

Buenos Aires 8 was an Argentinian vocal ensemble which specialised in recording tango classics such as music by Ástor Piazzolla.

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Buenos Aires Underground

The Buenos Aires Underground (Spanish: Subterráneo de Buenos Aires), locally known as Subte (Spanish pronunciation: [ˈsubte], from subterráneo – 'underground' or 'subterranean') is a mass transit metro system that serves the metropolitan area of Buenos Aires, Argentina. The first section of this network (Plaza de Mayo-Plaza Miserere) opened in 1913, making it the 13th subway in the world, and first underground railway in Latin America, the Southern Hemisphere and the Spanish speaking world, with the Madrid Metro opening five years later, in 1919. The underground's routes are said to spread out like "branches of a tree" from the Plaza de Mayo, something Miguel Delibes described as "restrictive". Current expansion efforts attempt to address those restrictions by creating more north-south lines and moving termini away from the city centre.

Currently, the underground network's six lines: A, B, C, D, E, and H, comprise 53.9 kilometers (33.5 mi) of route, serving 85 stations. The network is complemented by the 7.4 km long Premetro line, and the 26 km long Urquiza suburban line, with 17 more stations in total. As of 2015, the underground counts with 4 ghost stations, and lines E and H are undergoing expansions. Over a million passengers use the network, which also provides connections with the city's extensive commuter rail and bus rapid transport networks.