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The 57 km Gotthard Base Tunnel has been in operation since 2016. There's also a 3km long tunnel between France and Italy that opened in 1882. Nowadays there's p
by eCa 10mo ago
The 57 km Gotthard Base Tunnel has been in operation since 2016. There's also a 3km long tunnel between France and Italy that opened in 1882. Nowadays there's probably hundreds of 1km+ tunnels in the Alps.
- ChrisMarshallNY 10mo agoWell, from the other responses, it seems the Italian Alps are pretty stable.
- tacone 10mo agoYes but we're drilling holes through them to fix that.