In Peru, China Railway 10th Bureau built Chancay Tunnel which crosses several geological faults and requires high construction technology and safety control.
cover tunnel photo by: Matt Brown from London, England / CC BY
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中企承建秘魯錢凱隧道主體工程全部完工-新華網
big5.news.cn中企承建秘魯錢凱隧道主體工程全部完工-