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Development

World's Highest Railway Tunnel Drilled Through

[WTN-L World Tibet Network News. Published by The Canada Tibet Committee. Issue ID: 02/10/21; October 21, 2002.]

(Xinhua is the official news agency of the Chinese government)

LHASA, October 21 (Xinhuanet) - The construction of the Qinghai-Tibet Railway has achieved yet another important progress as the Fenghuoshan Tunnel has just been drilled through to form the world's highest railway tunnel. The Fenghuoshan, or Wind-Fire-Mountain in English, tunnel is situated at an altitude of 4,905 meters as the plane of rail tracks are concerned. The tunnel measures 1,338 meters and goes through perma-frost and ice layers of the mountain that is located at the border of the so-called no-man's land in between Tibet and Qinghai.

Though the construction had to be done in tough weather conditions, railway builders had turned their job into a miracle when they completed the drilling of the tunnel in a year to the day. The construction started on October 18 last year.

Due to the extreme lack of oxygen inside the drilling site, oxygen generation machines had to be installed inside the tunnel so as to provide builders with enough oxygen to keep the drilling process as scheduled.

Right now, the laying of rail tracks is being done with a tempo of three kilometers each day and the world's highest-laying railway is marching toward Lhasa, capital of China's Tibet Autonomous Region, smoothly.


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