tunnels
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Technology
China plans record longest underwater tunnel
China plans to build the world’s longest underwater tunnel, an expert involved in the project said Friday, a $36bn shortcut between two northern port cities in an earthquake-prone region. The scheme will see cars loaded onto railway carriages before travelling at 220km/h along the 123km tunnel connecting Dalian in Liaoning province and Yantai in Shandong province. “The underwater tunnel is…
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