Staff members experience inside an electric multiple unit (EMU) in Changchun, capital of northeast China's Jilin Province, June 7, 2011. The first EMU manufactured for Rio de Janeiro of Brazil was launched at Changchun Railway Vehicles Co., Ltd. (CNR CRC) on Tuesday. A total of 30 electric multiple unit produced by CNR CRC will serve during the 2014 FIFA World Cup and 2016 Olympic Games. [Xinhua/Wang Haofei]