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China announced to build world’s longest underwater tunnel. Which of the following is currently world’s longest under water tunnel?
Seikan Tunnel
Channel Tunnel
Dawushan Tunnel
Marmaray tunnel
First option is correct. The Seikan Tunnel is a 53.85 km dual gauge railway tunnel in Japan, with a 23.3 km long portion under the seabed. The track level is about 100 metres below the seabed and 240 m below sea level.
By: Cammy Garg ProfileResourcesReport error
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