Train to Tibet

Train to Tibet brings together the most attractive panoramas into one unique travel experience!
Qinghai-Tibet Railway, the world’s highest railway since its opening in 2006, covering 710 miles and reaching altitudes over 5000m from Qinghai to Lhasa, on which the train starts from mainland China: Beijing, Xining, Chengdu, Shanghai, Guangzhou, and Chongqing.

https://tibetuniversaltravel.com/train-to-tibet/