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China: The Mopanshan Tunnel , a key project of the Chengdu-Chongqing Central Line High-speed Railway, was successfully completed
China Railway 14th Bureau Group finish Mopanshan Tunnel 3,442 meters long with a maximum buried depth of about 160 meters.
http://big5.news.cn/gate/big5/www.news.cn/local/20250428/f50bca140ced48c5a8efcd44a6f88e42/c.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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成渝中線高鐵控制性工程磨盤山隧道順利貫通-新華網
big5.news.cn成渝中線高鐵控制性工程磨盤山隧道順利貫通-