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  1. Diver risks one-breath swim through deep underwater tunnel

    Diver risks one-breath swim through deep underwater tunnel

    81.6K
  2. Floating underwater tunnels: Norway earmarks $25bn for floating submerged tunnel plan - TomoNews

    Floating underwater tunnels: Norway earmarks $25bn for floating submerged tunnel plan - TomoNews

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  3. Curious Cat Explores Underwater Tunnel Aquarium

    Curious Cat Explores Underwater Tunnel Aquarium

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

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

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  5. Diver Squeezes Through Underwater Tunnel

    Diver Squeezes Through Underwater Tunnel

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  7. The Shenzhen-Zhongshan Bridge in China was packed with traffic

    The Shenzhen-Zhongshan Bridge in China was packed with traffic

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  9. Hole in Rocks by the Sea Turns into Underwater Tunnel

    Hole in Rocks by the Sea Turns into Underwater Tunnel

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  10. Mysterious underwater tunnels at Bloody Bay Wall, Cayman Islands

    Mysterious underwater tunnels at Bloody Bay Wall, Cayman Islands

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  12. Russian, Chinese Businessmen Considering Secret Underwater Tunnel Connecting to Crimea

    Russian, Chinese Businessmen Considering Secret Underwater Tunnel Connecting to Crimea

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  13. Bangladesh set to open first under-river tunnel project built with Chinese funding and contractors

    Bangladesh set to open first under-river tunnel project built with Chinese funding and contractors

    27.7K
  14. Underwater train passengers 'panic' as they're trapped in tunnel for hours in 'terrifying' ordeal

    Underwater train passengers 'panic' as they're trapped in tunnel for hours in 'terrifying' ordeal

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  15. Palm Jumeirah Tunnel underwater

    Palm Jumeirah Tunnel underwater

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  16. Hong Kong's $11BN Underwater Railway Explained

    Hong Kong's $11BN Underwater Railway Explained

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  17. 🚇 "The Amazing Channel Tunnel: Engineering Beneath the Waves" 🌊

    🚇 "The Amazing Channel Tunnel: Engineering Beneath the Waves" 🌊

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  18. A family of three walks hand in hand through an underwater tunnel at an aquarium

    A family of three walks hand in hand through an underwater tunnel at an aquarium

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  19. Underwater tunnel railways

    Underwater tunnel railways

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  22. Germany_s _10 Billion Underwater Tunnel to Denmark

    Germany_s _10 Billion Underwater Tunnel to Denmark

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  23. Tunnel Fills With Smoke After Serious Accident

    Tunnel Fills With Smoke After Serious Accident

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