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China: Construction complete on world's highest altitude 13 km long Gokarla Tunnel

    Caihong Wen
    By Caihong Wen Replies (1)

    China Communications Construction Company complete highway tunnel connecting Lhasa with Zhanang county in the Tibet autonomous region on Wednesday after 7 years of construction. High altitude, less oxygen, cold, length and difficult geology took 7 years instead of normal 4.

    It is world's highest altitude tunnel (at entrance 4,248 meters; at exit 4,117 meters above sea)

    https://www.chinadaily.com.cn/a/202306/28/WS649c2c8da310bf8a75d6c26c.html

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