military citadels under London
From Warlike
Q12409417
A number of military citadels are known to have been constructed underground in central London, dating mostly from the Second World War and the Cold War. Unlike traditional above-ground citadels, these sites are primarily secure centres for defence coordination.
Admiralty Citadel2008| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| commons | image | Admiralty Citadel2008 | Commons | ||