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People who like China Express: Why Qinghai-Tibet Railway is an engineering marvel. Fenghuoshan Tunnel is the world's highest tunnel built on permafrost.

    Chu Yang

    China Express: Why Qinghai-Tibet Railway is an engineering marvel. Fenghuoshan Tunnel is the world's highest tunnel built on permafrost.

    By Chu Yang in the group Tunnel Building News (tenders, building progress news, etc) Replies (5) Last reply by Chu Yang
    https://www.youtube.com/watch?v=b_SKUWiMsaM 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...

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