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China: The high-speed rail tunnel of the airport began to excavate
Tunnel Boring Machine "Jingbin Covisar" began tunneling the 2nd Tunnel of Tianjin Airport for part of Jingbin Intercity Railway. It will dig 7720 meters with excavation diameter 13.8 meters.
http://cpc.people.com.cn/BIG5/n1/2024/0411/c64387-40213660.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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http://cpc.people.com.cn/BIG5/n1/2024/0411/c64387-40213660.html
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