Wikimedi'Òc

Cu Chi Tunnels Vietnam war 5.jpg - JakobHosp

Air raid shelter in Hagatna.JPG - あばさー

Marckolsheim-Casemate 35-3-Porte blindée.jpg - Florival fr

Cannerberg-Entrance-Outside (cropped).jpg - Kleon3

Fallout Shelter in Latte Stone Park, Guam.jpg - Vanlewen

Salpa Line bunker door.jpg - Niera

40 Mas Boronat (Salomó), búnquers.jpg - Enric

Nuclear bunker lock - geograph.org.uk - 3951359.jpg - GeographBot

Interior orf West Statr bunker (Affi, Verona) 05.jpg - Adert

Interior orf West Statr bunker (Affi, Verona) 06.jpg - Adert

Interior orf West Statr bunker (Affi, Verona) 04.jpg - Adert