kalkara, malta - apr 16, 2014: a british era pill-box fortification in kalkara, malta, guarding the entrance of the grand harbour

maltese malta sky bunker mediterranean ww2 wwii pill box emplacement clear hiking remote beach travel landscape walking water beautiful view bay landmark ruin coastline ocean trekking destination holiday sea sun coast turret war historic rusty gunpost site fortified pillbox fort fortification military old fortress valletta concrete decay derelict abandoned grand harbour protection