A passenger disembarking speaks to a train attendant at on of our very few and very brief stops the train made during the journey.

Linda is on the bottom bunk and I am way up on the top bunk. 6 people to a hard sleeper compartment.

The tundra and permafrost of Tanggula Pass 16,640 ft (5,072 m). The Qinghai-Lhasa segment of 1,200 miles took three years to build due mainly to the difficulties of building over permafrost and the high elevation itself which required hyperbolic pressure chambers for the workers.