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A couple dances the tango, as part of the Buenos Aires Tango Festival and World Tournament, which is held annually

Buergeria oxycephala (Hainan stream treefrog or red-headed flying frog) is a species of frog in the Rhacophoridae family. It is endemic to Hainan Island, China.Its natural habitats are subtropical or tropical moist lowland forests, rivers, and heavily degraded former forest.It is threatened by habitat loss.

The Buenos Aires Zoo is an 45-acre (18 ha) zoo in the Palermo district of Buenos Aires, Argentina. The zoo contains 89 species of mammals, 49 species of reptiles and 175 species of birds, with a total of over 2,500 animals. The institution's goals are to conserve species, produce research and to educate the public.

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The Plaza Intendente Alvear in January 2011. Located at the pampas, the topography of Buenos Aires is mostly flat, with slight undulations.

Location of Buenos Aires Canton in Puntarenas Province

Headquarters of the National Bank of Argentina, the national bank and the largest in the country's banking sector.
The Buenos Aires Stock Exchange, the main stock exchange and financial center of Argentina.
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Rock BA in 2014, a music festival held at the Parque de la Ciudad
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The Buenos Aires Metropolitan Cathedral (Spanish: Catedral Metropolitana de Buenos Aires) is the main Catholic church in Buenos Aires, Argentina. It is located in the city center, overlooking Plaza de Mayo, on the corner of San Martín and Rivadavia streets, in the San Nicolás neighbourhood. It is the mother church of the Archdiocese of Buenos Aires.The Cathedral of Buenos Aires was rebuilt several times since its humble origins in the 16th century. The present building is a mix of architectural styles, with an 18th-century nave and dome and a severe, 19th-century Neoclassical façade without towers. The interior keeps precious 18th-century statues and altarpieces, as well as abundant Neo-Renaissance and Neo-Baroque decoration.

The Queen of El Plata , The Paris of Americas , The City of Fury

The Buenos Aires Metropolitan Cathedral (Spanish: Catedral Metropolitana de Buenos Aires) is the main Catholic church in Buenos Aires, Argentina. It is located in the city center, overlooking Plaza de Mayo, on the corner of San Martín and Rivadavia streets, in the San Nicolás neighbourhood. It is the mother church of the Archdiocese of Buenos Aires.The Cathedral of Buenos Aires was rebuilt several times since its humble origins in the 16th century.

Buenos Aires (/ˌbweɪnəs ˈɛəriːz/ or /-ˈaɪrɪs/, Spanish: [ˈbwenos ˈaiɾes]) is the capital and largest city of Argentina. The city is located on the western shore of the estuary of the Río de la Plata, on the continent's southeastern coast. The meaning of Buenos Aires is clean air or good air.
Buenos Aires (/ˌbweɪnəs ˈɛəriːz/ or /-ˈaɪrɪs/, Spanish: [ˈbwenos ˈaiɾes]) is the capital and largest city of Argentina. The city is located on the western shore of the estuary of the Río de la Plata, on the continent's southeastern coast. The meaning of Buenos Aires is clean air or good air. The Greater Buenos Aires conurbation, which also includes several Buenos Aires Province districts, constitutes the fourth-most populous metropolitan area in the Americas, with a population of around seventeen 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.Buenos Aires is, along with Mexico City and São Paulo, one of the three Latin American cities considered an 'alpha city' by the study GaWC5. Buenos Aires' quality of life was ranked 81st in the world and one of the best in Latin America in 2012, with its per capita income among the three highest in the region. It is the most visited city in South America (ahead of Rio de Janeiro) and the second most visited city of Latin America (behind Mexico City).Buenos Aires is a top tourist destination, and is known for its European-style architecture and rich cultural life. Buenos Aires held the 1st Pan American Games in 1951 as well as hosting two venues in the 1978 FIFA World Cup. Buenos Aires will host the 2018 Summer Youth Olympics and the 2018 G20 summit.Buenos Aires defines itself as a multicultural city, being home to multiple ethnic and religious groups. Several languages are spoken in the city in addition to Spanish, contributing to its culture and the dialect spoken in the city and in some other parts of the country. This is because in the last 150 years the city, and the country in general, has been a major recipient of millions of immigrants from all over the world, making it a melting pot where several ethnic groups live together and being considered as one of the most diverse cities in Latin America.
Film footage of Buenos Aires during the 1910s. A the turn of the century, the city went through radical transformations, as several urbanistic modifications sought to reflect its economic prosperity.
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Aerial view of Buenos Aires, its metropolitan area and the Río de la Plata.
Campo Argentino de Polo, home of the Argentine Open Polo Championship, the most important global event of this discipline
The Queen ofEl Plata(La reina del Plata), The Paris of Americas (La París de América), The City of Fury (La Ciudad de la Furia)
Federico Pinedo, Marta Varela, Pino Solanas
Panorama of downtown. On the left is the Palace of the Argentine National Congress, and the river and skyscrapers are far in the back of the panorama.
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