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In Germany, the Fehmarnbelt Tunnel is being built for 7.4 billion euros. Norway is building the world's deepest road tunnel and in Austria the Brenner Base Tunnel will be the longest tunnel in the world. - ⚡️Save on electricity and gas costs now with remind.me: https://www.communicationads.net/tc.p... (advertisement) - 0:00 Gotthart Base Tunnel 1:39 Fehmarnbelt Tunnel 7:22 Norway Rogfast Tunnel 11:49 Norway E39 13:44 Cruise ship tunnel 14:53 Frankfurt long-distance rail tunnel 17:40 Stuttgart 21 Tunnel 18:36 Brenner Base Tunnel - Video by the Marti Group: • Ritom pumped storage power station - tunnel construction and... - #Tunnel #Megaproject #architecture