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Europe's most impressive (and lesser known) tunnel projects worth billions of Euros

    Petri Anttonen
    By Petri Anttonen Replies (2)

    A bit popular perspective but worth watching.

    • Gianluca Gallota
      By Gianluca Gallota

      Really lesser known but important projects

    • Santiago Morales
      By Santiago Morales

      Cool!

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    Tunnel walk and talk

    Tunnel walk and talk

    Open group

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

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