ancient attraction battlement castle defence defend defensive England Great Britain historical old protection royal secure security stone stronghold tourism tourist turret uk window Windsor chimney anton battle castillo coruna defense eu fortress galicia Look lookout san Spain strong sturdy vigilance watch abstract angles appearances Camouflage camouflage-netting cover decorative defending disguise disguised display emplacement military open-air surface surfaces texture textured textures thick thin Apulia architecture blue chalk cliff coastal coastline forest Gargano Italy rock Ruglia sea shore steps tower view water woodland 17th century Argolis battlements elements fort Greece landmark Morea nafplio Palamidi Peloponnese power ramparts venetian walls arch hill hilltop Remains ruins