It's totally normal to have peace-time usage for bunkers. Here's one underground bunker being used as swimming hall in Finland. http://mirstran.com/wp-content/u

It's totally normal to have peace-time usage for bunkers. Here's one underground bunker being used as swimming hall in Finland. http://mirstran.com/wp-content/uploads/2014/11/bassein.jpg http://mirstran.com/wp-content/uploads/2014/11/bassein.jpg Actually bunkers are plentiful in Finland because building those is mandatory. Not many countries build bunkers as much as Finland. https://en.wikipedia.org/wiki/Air-raid_shelter#Finland https://en.wikipedia.org/wiki/Air-raid_shelter#Finland Also subway tunnels and underground parking halls, many (underground) sport halls are pre-equipped with massive blast doors. http://www.vastavalo.fi/albums/userpics/10913/normal__MG_4194.jpg http://www.vastavalo.fi/albums/userpics/10913/normal__MG_419...