Passengers buy tickets through automated ticket vending machines at Nanjing South Railway Station in Nanjing, east China's Jiangsu Province, Aug. 21, 2011. High-speed rail lines in China will adopt a new run chart as from Aug. 28, 2011, with slower operational speeds and cheaper train tickets. Beijing-Tianjin intercity high-speed railway, Hainan east ring line and Guangzhou-Zhuhai intercity rail have already shifted to new schedules. [Xinhua/Wang Xin]