The bunker, located at Barnton Quarry near Edinburgh in Scotland, was built in the 1950s during a time of fear of Soviet power and was kept a secret until the 1980s
The hidden war room bunker once found by one of Cardiff s busiest roundabouts walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.