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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 Channel Tunnel United Kingdom 50450 m
6 Hálslón Headrace Tunnel Iceland 39700 m
7 Lötschberg Base Tunnel Switzerland 34576.6016 m
8 Guadarrama Tunnel Spain 28419 m
9 Taihang Tunnel China 27848 m
10 Large Hadron Collider (LHC) Switzerland 27000 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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Switzerland (2004), added on 20/02/2018

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Germany (2000)
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