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結果 : which country has the longest tunnel in the world
4:42

Longest Tunnel Length by Country | Top 80 Famous tunnel

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3:40

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

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4:12

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

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8:15

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

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5:38

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

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Inside Norway's $47 Billion Floating Highway

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北米最長のトンネルはどこへ通じているのでしょうか?

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8:36

Norway's $113 Million World’s Longest Road Tunnel

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इतनी लंबी सुरंग? long is the longest tunnel in South Korea?

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36:56

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

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

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top 10 longest road tunnel in the wo rld #longest #road #tunnel tunne #world दुनिया के सबसे बडे रोड

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5:10

THE LONGEST TUNNEL IN THE WORLD // ROAD TRIP NORWAY

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Denmark building world’s longest tunnel, slashing journey times between two countries

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Dangerous Train Tunnel | Longest Tunnel in India/World | Train running in tunnel | Indian Railway

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Spectacular Laerdal Tunnel | Journey to Country

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President Trump Makes an Announcement, Sep. 2, 2025

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2:09

Rohtang Tunnel: World’s longest tunnel above the height of 10,000 feet

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6:49

English GK Questions of world, ocean, largest, island, mountain, river, tunnel, bird, waterfall

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