A boy smiles happily by the window of the passenger train "T27" in Beijing, capital of China, July 1, 2006. The first passenger train "T27" from Beijing to Lhasa, capital of southwest China's Tibet Autonomous Region, pulls out at 21:30 Saturday. (Xinhua Photo)

Tibetan man Urgyen points out his hometown of Amdo for passengers on the first train from Lhasa to Golmud. The train left Lhasa at 11:12 am on Saturday, covering 1,142 kilometers in 13 hours to arrive in Golmud just after midnight. (Xinhua Photo)

The first passenger train from southwest China's Chongqing Municipality is ready to head for Lhasa, capital of Tibet Autonomous Region on July 2, 2006. The train left Chongqing for Lhasa Sunday. (Xinhua Photo)

The train coded "Tibet 2", which left from Lhasa of southwest China's Tibet Autonomous Region for Lanzhou of northwestern Gansu Province, stops at the Xining railway station of northwest China's Qinghai Province on July 2, 2006. "Tibet 2" arrived in Xining at 11:28 a.m. Sunday and headed for Lanzhou after a 27-minute stop at the station.

(Xinhua Photo)