Wandering the Qinghai-Tibet Railway to Lhasa


The first railway in China's Tibet Autonomous Region has been opened, the Qinghai-Tibet Railway, the world's highest. This is a very good NHK documentary about 51:50 minutes long, wait for commercial to finish before it begins. :costumed-smiley-007
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Expedition Leader
Wikipedia provides a graph that shows the high altitudes traversed by the rail line. Looks like 90% of the 1100 km section between Golmud and Lhasa is above 4000 meters (13,000 feet).

Construction over the permafrost section required techniques similar to those used in the Trans-Alaska Pipeline.