Buenos Aires (i.e. mayor) in 1996; previously, the mayor was directly appointed by the President of the Republic. Buenos Aires is considered an 'alpha city' by the study GaWC5. Buenos Aires' quality of life was ranked 91st in the world, being one of the best in Latin America in 2018. It is the most visited city in South America, and the second-most visited city of Latin America (behind Mexico City). Buenos Aires is a top tourist destination, and is known for its preserved Eclectic European architecture and rich cultural life. Buenos Aires held the 1st Pan American Games in 1951 as well
Trams in Buenos Aires a reduced fare at half the standard rate, something which was later abolished in 1949. The network saw somewhat of a resurgence following the nationalisation of the country's railways in 1948, which also saw the creation of "Transportes de Buenos Aires" (TBA) which incorporated the city's trams and buses, while "Subterráneos de Buenos Aires" (SBA) managed the underground. Under this new administration, the network saw almost all the rails and overhead lines, as well as the rolling stock, almost completely replaced in the years from 1955 to 1961. At the same time, this period saw a significant increase in traffic,