Qinghai-Tibet Railway, the world's highest railway, extends 1956 kilometers from Xining to Lhasa. About 960 kilometers of the line is more that 4,000 meters above sea level and the highest point is 5,072 meters. The railway was commissioned on July 1 2006. The first three trains to run on the railway are trains from Beijing to Lhasa, Chengdu(Chongqing) to Lhasa and Xining-Lhasa.
