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People who like World Tunnel Congress in Copenhagen is now officially WTC2022

    Martin Sirzo

    World Tunnel Congress in Copenhagen is now officially WTC2022

    By Martin Sirzo Comments (6)
    World Tunnel Congress in Copenhagen is now officially WTC2022
    WTC2022 will be organized in Copenhagen, Denmark during the days of 22-28 April 2022

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    cover tunnel photo by: Matt Brown from London, England / CC BY

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