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Most Important Structures in this Category

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# Name Country tunnel length
1 Gotthard Base Tunnel Switzerland 57091 m
2 Seikan Tunnel Japan 53850 m
3 Channel Tunnel United Kingdom 50450 m
4 Lötschberg Base Tunnel Switzerland 34576.6016 m
5 Guadarrama Tunnel Spain 28418.6600 m
6 Taihang Tunnel China 27848 m
7 Hakkōda Tunnel Japan 26445 m
8 Iwate-ichinohe Tunnel Japan 25810 m
9 Iiyama Tunnel Japan 22225 m
10 Dai-shimizu Tunnel Japan 22221 m

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Switzerland (1926), added on 05/02/2019

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