Passengers aboard on a train of CRH380A of China Railway High-Speed (CRH) at the Guangzhou south railway station in Guangzhou, capital of south China's Guangzhou Province, Dec. 3, 2010. China's high-speed train CRH380A, which has a maximum speed of 380 km/h during regular operations, and can keep a constant speed of 350 km/h, was put into service on the Wuhan-Guangzhou high-speed rail line on Friday. [Xinhua/Chen Yehua]