sichuan-Tibet tour introduced: ChuanCangXian travel must understand ChuanCangXian is the abbreviation of sichuan-tibet highway. Sichuan-tibet highway is connected chengdu in sichuan province and the Tibetan capital Lhasa car traffic between the first road. In the new road before one thousand years in southwest China, the nation's economic and cultural exchanges hub is it runs across the Tibetan plateau area and the mountain ranges between, a terrain, the road, the highest in the world the most precipitous traffic strolled-tea-horse road.