Rio's key Olympic transport metro line uses China-made trains

Photo taken on June 7, 2011 shows the first electric multiple unit (EMU) for Rio de Janeiro in Changchun, capital of northeast China's Jilin Province. Rio's new metro Line 4 links the city's tourism district with the western Barra da Tijuca neighborhood, where many of the Olympic events are slated to take place. The key Olympic transport line features China-made trains designed and manufactured by the Changchun Railway Vehicles Co, a subsidiary of CRRC, one of China's biggest train makers. [Photo/Xinhua]