Passengers check the altitude on the Qinghai - Xizang train, the world's highest railway, here between Chengdu and Lhasa, Tibet.

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Size: 5616px × 3744px
Location: T22 Train between Chengdu, China and Lhasa, Tibet.
Photo credit: © Tim Whitby / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: altitude, chengdu, china, highest, lhasa, oxygen, pass, qinghai–xizang, railway, record, skytrain, t22, tanggula, tibet, train, travel, world, worlds