Workers work at the construction site of the Galashan Tunnel in Lhasa, southwest China's Tibet Autonomous Region, April 7, 2018. The 4,373-km-long tunnel, about 3,600 meters of altitude, is part of the Lhasa to Nyingchi railway. (Xinhua/Zhang Rufeng)
Workers celebrate holing-through of Galashan Tunnel in Lhasa, SW China's Tibet
Source: Xinhua| 2018-04-08 07:44:21|Editor: Liangyu
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