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Tunnels, Caverns and Shafts

Most Important Structures in this Category

  • entry with pictures
  • new entry (30 days)
  • updated entry (14 days)
# Name Country length
1 Päijänne Water Tunnel Finland 120000 m
2 Orange Fish Tunnel South Africa 82800 m
3 Gotthard Base Tunnel Switzerland 57091 m
4 Seikan Tunnel Japan 53850 m
5 Emscher Sewage Canal Germany 51000 m
6 Channel Tunnel France 50450 m
7 Hálslón Headrace Tunnel Iceland 39700 m
8 Lötschberg Base Tunnel Switzerland 34576.6016 m
9 Guadarrama Tunnel Spain 28418.6600 m
10 MetroWest Water Supply Tunnel USA 28320 m

Note: there are too many entries in this category and all its subcategories combined. To obtain a list of structures please go through one of the subcategories.

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Recently Added

Taiwan (2013), added on 24/01/2023

Italy, added on 24/01/2023

Italy, added on 24/01/2023

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Germany (2013), modified on 07/02/2023

Germany (2013), modified on 07/02/2023

Germany (2013), modified on 07/02/2023

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Recently Illustrated

Germany (2003)
1 new image added on 07/02/2023

Germany (2013)
1 new image added on 07/02/2023

Germany (2013)
1 new image added on 07/02/2023

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