Entrance to the Diefenbunker Ottawa, Canada
The Diefenbunker is an underground bomb shelter built during the Cold War 1950s - 1960s. Named after the Prime Minister of Canada at that time. It was intended to house the Canadian government in the event of a nuclear attack.
CanadaCapital CityCold WarOttawaOntarioDiefenbakerDiefenbunkerNuclear WarAtomic BombUnderground BunkerUnderground Shelter