Passengers go through the automatic gate machine at a railway station in Hangzhou, East China's Zhejiang province, June 1, 2011. Chinese rail ticket offices started selling express train tickets nationwide according to passengers' names today. Travelers are required to provide proof of personal identification when buying tickets for the G, D, and C trains. [Photo/Xinhua]

An Australian traveler shows his Shanghai-Hangzhou high-speed ticket and his passport at a railway station in Hangzhou, East China's Zhejiang province, June 1, 2011. [Photo/Xinhua]