Air raid shelter
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Air raid shelters are structures for the protection of non-combatants as well as combatants against enemy attacks from the air. They are similar to bunkers in many regards, although they are not desig
One of the London deep-level shelters, in Belsize Park
Kleines Berlin (transl. Little Berlin) is the complex of underground air-raid tunnels dating to World War II, which still exists in Trieste, Italy
Single-person air raid shelter on display at the Günter Leonhardt aviation museum near Hanover, Germany
The Hochbunker in Trier
Blast shelter
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A blast shelter is a place where people can go to protect themselves from blasts and explosions, like those from bombs, or caused by hazardous worksites, such as oil and gas refineries, or petrochemic
Blast doors in a missile control bunker at Minot Air Force Base, North Dakota.
The 25-ton blast door in the Cheyenne Mountain nuclear bunker is the main entrance to another blast door (background) beyond which the side tunnel branches into access tunnels to the main chambers.
The door of a light civil defense shelter in Finland.
A blast door of a subway shelter in Singapore.