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Most Important Structures in this Category

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# Name Country tunnel length
1 Lærdal Tunnel Norway 24510 m
2 Yamate Tunnel Japan 18200 m
3 Zhongnanshan Tunnel China 18040 m
4 Gotthard Road Tunnel Switzerland 16918 m
5 Arlberg Road Tunnel Austria 15516 m
6 Mount Ovit Tunnel Turkey 14346 m
7 Hsuehshan Tunnel Taiwan 12942 m
8 Frejus Tunnel Italy 12870 m
9 Maijishan Tunnel China 12290 m
10 Mont Blanc Tunnel Italy 11611 m

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