People visit the "La Brugeoise" cars of the Buenos Aires subway, in the "Plaza de Mayo" station, in Buenos Aires city, Argentina, Dec. 1, 2013. The "La Brugeoise" cars celebrate its 100th anniversary on Dec. 1. As the first line of subway in South America, the Line A of the Buenos Aires Subway was opened on Dec. 1, 1913. (Xinhua/Martin Zabala)
