Switzerland is a neutral nation but has more nuclear bunkers than any country in the world

A tunnel leading from the entrance of the Sonnenberg nuclear bunker in Lucerne, Switzerland, leads to a complex deep underground. The bunker is the world

Instead of scrapping its network of bomb shelters after the Cold War, Switzerland kept building them. The country has more than 370,000 nuclear bomb shelters. Some are now used to house migrants.

(Image credit: Rob Schmitz)