Swiss Defences in WW2
If you want to visit the tunnels and see the guns which protected Switzerland in WW2, you can. It is all still there to see. Visit https://forteresse-st-maurice.ch/ to find out more.
Saint-Maurice Fortress, where Philippe is stationed, is one of the three main fortification complexes comprising the Swiss National Redoubt, formed to protect the Alps from invasion. The fortress is a series of fortifications set into the mountains on either side of the valley, including Fort de Dailly,