結果 : which is the deepest undersea road tunnel in the world
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Norway: Eiksund Tunnel - the world's deepest undersea tunnel

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How the world longest underwater tunnel was built

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Worlds Longest and Deepest Underwater Tunnel in Norway!

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World Longest Underwater Tunnel | Longest Underwater Tunnel In The World | All Earth Events

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Underwater Tunnel in Suzhou, China.

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Longest and deepest undersea road tunnel in the World - Ryfast tunnel Norway -cost 5.22 billion kr

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Norway: Eiksund Tunnel - the world's deepest undersea tunnel (2020)

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Volvo CE – The Megaproject Listing #8 –The world’s deepest subsea tunnel, Rogfast, Norway

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