When Chinese government annouced to build the Qinghai-Tibet Railway across the Qinghai-Tibet Plateau, many people worried about that the railway would damage the sweet home and life of the wild animals in the plateau. Protecting the environment was always put first in designing and constructing this railway.
The Qinghai-Tibet Railway has been put into use for seven years. The wild animals in the Qinghai-Tibet Plateau also has gotten used to the railway. Many wild animals even increased during these years. Were you lucky enough, you can actually see some on the Tibet train!