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How the world's longest underwater tunnel was built - Alex Gendler

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How the world’s largest underwater tunnel is being built | BBC News

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Unbelievable! The sea is full of water, how is the undersea tunnel built?

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中国がわずか110日間で世界最大の海底トンネルを建設した方法

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How the Fehmarnbelt Tunnel is being built

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China's Insane Construction Tech Creates the World's Longest Underwater Tunnel

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The Channel Tunnel: Building the World's Longest Undersea Link

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How Europe's Building the World's Longest Underwater Tunnel!

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HOW IT'S MADE: Underwater Tunnels

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How China Built the World’s Largest Underwater Tunnel in 110 Days?

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"China Built a Tunnel Underwater — Here’s Why It’s Amazing"

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The NEW longest underwater tunnel!

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12 World's Most Incredible Undersea Tunnels

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How Germany and Denmark Are Building the World’s Longest Immersed Tunnel

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China Leaves American President Shocked, Builds The Longest Undersea Tunnel In The World

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😱China Built a Tunnel Under a Lake?! The Taihu Tunnel Will Blow Your Mind! #wonderhub #shorts #short

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America Is Shocked! China's Insane Construction Tech Creates the World's Longest Underwater Tunnel!

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How Tunnel Boring Machines Get Out 🤨

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Japanese engineers' underwater tunnel project shocked billions of people. Unbelievable project!

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