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old train running in the fixed, occasionally and passengers legs on the outside of the suspension. 6 Buenos Aires is the national railway lines in the end of every line, every 15 minutes namely have one old suburban trains pass through. Buenos Aires has a Spanishspeaking countries and the whole southern hemisphere39。s oldest underground transport system, the Metro transit system began operations in 1913. At present, the subway system has six lines, each with a letter A, B, C, D, E, H to name. A total of 74 stations, total length of km. Currently, the City of Buenos Aires plans to continue expansion of its subway lines, 2011, total length of subway lines will reach 89 km.Tour bus is a big city like Buenos Ice good way, not only fast and cheap. In the city of Buenos Aires has more than 150 bus lines, bus stops almost everywhere in the city. Compared with the subway, bus lines, deeper coverage. However, the Buenos Aires city bus no fixed timetable, issued almost fourhour train.Jorge Newbery airport Ethiopia sasha international airport If two of the airport is closed, certain volume ranked world airport 100. But unfortunately, two airports have been without an airport, synchronous development from the vitality, and traffic volume distribution in the equilibrium, all the world is more airport system is unique.