铁轨上的西藏：一条铁路改变高原生活

Traveling is fun, but it used to be very hard for people in Xizang.

“Every time we wanted to visit a big city like Lhasa (拉萨), we had to sit in a car for 14 hours,” said Yangkyi, 30, from Lhorong county in Chamdo city (昌都市).