Train at Gotthard Base Tunnel in Switzerland, with mountains behind - Michael Derrer Fuchs/Shutterstock Switzerland is known around the world for its spectacular scenery — think snow-capped mountains, ...
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I explored the Alps' longest tunnels!
Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, highlighting their significance and specifications. 0:0 ...
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