kalkara, malta - apr 16, 2014: historic abandoned tunnel, part of fort ricasoli fortification in malta

abandoned derelict tunnel fortification restoration conservation fort ricasoli kalkara malta maltese islands stone globigerina limestone slabs historical heritage defence defensive shooting gun slits holes high underground order of st john knights soldiers army military british empire danger disrepair empty cultural restore conserve falling gunpost cannon post hole windows cracks overlooking sea mediterranean war dungeon bunker