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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 tunnel 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 28418.6600 m
9 MetroWest Water Supply Tunnel USA 28320 m
10 Taihang Tunnel China 27848 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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Iceland (2018), added on 28/10/2020

Switzerland, added on 25/10/2020

Turkey (1832), added on 22/10/2020

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Recently Modified

Switzerland (1913), modified on 29/11/2020

Italy (2020), modified on 22/11/2020

Iceland (2010), modified on 28/10/2020

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Recently Illustrated

Switzerland (1913)
2 new media added on 28/11/2020

Italy (2020)
2 new media added on 20/11/2020

Turkey (2016)
1 new image added on 16/11/2020

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