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  1. The Incredible Engineering Behind the World's Longest Tunnel

    The Incredible Engineering Behind the World's Longest Tunnel

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  2. Gotthard Tunnel Opening Ceremony - Full Broadcast - Longest Deepest Tunnel On Earth

    Gotthard Tunnel Opening Ceremony - Full Broadcast - Longest Deepest Tunnel On Earth

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  3. Gotthard rail tunnel linking Switzerland and Italy reopens on Monday year after crash

    Gotthard rail tunnel linking Switzerland and Italy reopens on Monday year after crash

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  4. Gotthard rail tunnel linking Switzerland and Italy reopens on Monday year after crash

    Gotthard rail tunnel linking Switzerland and Italy reopens on Monday year after crash

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  5. Mega Construction | 2 |

    Mega Construction | 2 |

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  8. Gotthard rail tunnel linking Switzerland and Italy reopens on Monday year after crash

    Gotthard rail tunnel linking Switzerland and Italy reopens on Monday year after crash

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  14. Dr. Thomas Horn: CERN's Supercollider is Doing What? [22.03.2022]

    Dr. Thomas Horn: CERN's Supercollider is Doing What? [22.03.2022]

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  17. World's longest rail tunnel opens with theatrical parade

    World's longest rail tunnel opens with theatrical parade

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  18. On June 1, 2016, CERN celebrated the opening of The Gotthard Base Tunnel,

    On June 1, 2016, CERN celebrated the opening of The Gotthard Base Tunnel,

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