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China: World's Longest Undersea High-Speed Railway Tunnel Begins Subsea Construction
On May 29, the Yongzhou tunnel boring machine (TBM), operated by the China Railway 14th Bureau Group Corporation Limited, a subsidiary of China Railway Construction Corporation Limited (CRCC), successfully penetrated the seabed section of the Jintang Undersea Tunnel on the Ningbo side, reaching a depth of 64 meters underground.
English:
Jintang undersea tunnel of Ningbo-Zhoushan Railway under construction in China's Zhejiang
https://english.news.cn/20250529/60ee86b897e04afd8cf390d0c12dd231/c.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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http://en.sasac.gov.cn/2025/06/04/c_19382.htm
World’s Longest Undersea High-Speed Railway Tunnel Begins Subsea Construction
en.sasac.gov.cnOn May 29, the “Yongzhou” tunnel boring machine (TBM), operated by the China Railway 14th Bureau Group Corporation Limited, a subsidiary of China Railway Construction Corporation Limited (CRCC), successfully penetrated the seabed section of the...