A passenger shows the passenger health registration form and his ticket of the train from Xining to Lhasa in Xining, capital of northwest China's Qinghai Province, June 28, 2006.  The Qinghai-Tibet Railway is due to open for trial operations on July 1, and the train tickets are put on sale from June 28.  (Xinhua Photo)

A passenger shows the passenger health registration form and his ticket of the train from Xining to Lhasa in Xining, capital of northwest China's Qinghai Province, June 28, 2006.  (Xinhua Photo)

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