Railway environmentally-friendly

Equus kiangs travel near a bridge of the Qinghai-Tibet Railway in Golmud, Northwest China's Qinghai Province, June 13, 2007.The landscape, lakes and the frozen earth on the Tibetan Plateau have been well preserved and the wildlife's migration remained unchanged since the world's highest railway was put to use, the State Environmental Protection Administration says in a survey report. [Xinhua]