| skos:altLabel | - bunker
- control rooms
- shelters
- fortification
- bunkers
- fortified
- Pillbox
- pill box
- pill boxes
- pill-box
- pillbox
- pillboxes
- emplacements
- bomb shelter
- blockhaus
- blast door
- nuclear bunker
- underground bunker
- Bunker#Nuclear protection
- Bunker#Nuclear_protection
- Nuclear Bunker
- Nuclear bunker
- air raid bunker
- armoured pillbox
- artillery bunker
- atomic bunkers
- bomb proof nuclear protected buildings
- bunker system
- bunker-like
- concrete emplacements
- concrete pillbox
- fortified structures
- heavy bunker
- industrial bunker
- infantry bunkers
- military bunkers
- military sentry bunkers
- mountain complexes
- munition storage
- munition storage bunkers
- pillbox bunkers
- tunnels and bunkers
- underground bunkers
- underground facility
- war bunker
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