In the United Kingdom, the panic-stricken government built hundreds of shelters across the island.
The web link of tunnels inside the bunker mapped out with an American-style roadmap system.
Photo: MoD/Crown Copyright
The bunker in Corsham, Wiltshire, was one of the latter.
It was the place where the Prime Minister, his cabinet and the Royal household could seek shelter.
The sites official name is Central Government War Headquarters, but it was known by its codename Burlington.
The elevator connecting the bunker to the ground level.
The complex remained top secret for nearly fifty years, long after the threat of nuclear war had passed.
In 2004, the existence of the bunker was officially acknowledged for the first time.
Then it was decommissioned.
The massive bunker still sits under Corsham unused.
Access to the bunker is still restricted, and requires permission from local authorities to visit.
Photo: MoD/Crown Copyright
Photo: MoD/Crown Copyright
The telephone switchboard.
Photo: MoD/Crown Copyright
The BBC broadcasting studio, which was maintained until 1991.
Photo: MoD/Crown Copyright
A row of sinks, located near an area designated for staff bedrooms.
Photo: MoD/Crown Copyright
The sluice room in the site’s hospital.
Photo: MoD/Crown Copyright
A record player that forms part of the bunker’s public address system.
Photo: MoD/Crown Copyright
Ovens in the kitchen.
Photo: MoD/Crown Copyright
A chalk menu board outside one of the canteens.
