That's the Gotthard pass: https://upload.wikimedia.org/wikipedia/commons/b/bc/Gotthardpass_2015-09-21_16.02.05.jpg https://upload.wikimedia.org/wikipedia/commo

That's the Gotthard pass: https://upload.wikimedia.org/wikipedia/commons/b/bc/Gotthardpass_2015-09-21_16.02.05.jpg https://upload.wikimedia.org/wikipedia/commons/b/bc/Gotthard... From here you can see three really small parts of a Bunker/Fortress (a supermassive one, probably the biggest in switzerland) ~quite clear.