blue Broughty castle clear defence defend dundee ferry flag flagpole grass gun harbour mirror reflection river scotland scottish sea seaweed sky still stone strong stronghold sun sunshine Tay tower turret violence wall walls war water window abstract angles appearance artificial backdrop background backgrounds barrier coated coloring colors colouring colours concrete constructed creative decorative fitted perspective perspectives Rendered rocks rough secure security solid stones stonework strength surface surfaces texture textures variations variety walled well-built angled architectural architecture Australia building corrugated corrugations cottage disused flour-mill historic idle mill old patchy roof roofing rural shaped shapes style surfacing textured tree blue-metal chipped chips construction embedded granite gravel grooved grooves patterns pebbles ribbed ridges corner dark fresh orange pattern red tile vivid wallpaper yellow autumn block brick bricks cemetary hide trees barcelona color colour floor gaudi guell Spain tiles tiling