Fort Mosta, Malta

Fort Mosta is still used as an ammunition depot by the Armed Forces of Malta. It falls under the responsibility of the Ammunition Depot Guards, part of the Ammunition & Explosives, Storage & Disposal Squadron of the 3rd Regiment AFM.[3] The Dog Section of the Malta Police Corps is also housed within Fort Mosta.[4]

Since it is still used by the army and police, the fort is not open to the public

Although the Armed Forces have made efforts to keep it in good condition, the fort requires special attention since it is built mainly on blue clay, and this is damaging the structure

https://en.wikipedia.org/wiki/Fort_Mosta