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China Express: Why Qinghai-Tibet Railway is an engineering marvel. Fenghuoshan Tunnel is the world's highest tunnel built on permafrost.
Good writing from China Global Television Network.
The Qinghai-Tibet Railway connects Tibet with the rest of China.
At an altitude of nearly 5,000 meters, Fenghuoshan Tunnel is the world's highest tunnel built on permafrost.
Fenghuoshan Tunnel world's Longest Tunnel Built in Frozen Soil Area Opens to Traffic on Oct 19, 2002.
Constructed by China Railway Construction Corporation Limited (CRCC). Length of 1,338 meters and a maximum depth of 100 meters.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://news.cgtn.com/news/2020-10-05/China-Express-Why-Qinghai-Tibet-Railway-is-an-engineering-marvel-Ul3OskLNwQ/index.html
China Express: Why Qinghai-Tibet Railway is an engineering marvel
news.cgtn.comThe Qinghai-Tibet Railway spans nearly 2,000 kilometers and holds eight world records.