At 5,072 m (16,640 ft), this portion of the Qinghai-Tibet railway in the Tanggula Pass is the world's highest rail track.
At 5,072 m (16,640 ft), this portion of the Qinghai-Tibet railway in the Tanggula Pass is the world's highest rail track. Geographic Extremes, Land - Rail Links: en.wikipedia.org By: kkeps