abstract architectural background barrier basic brick-wall bricks brickwork coloring colors colouring colours constructed exterior external firm fitted large light lines patchwork perspectives rock-wall rocks rough rugged secure security shaped shapes solid stone stones stonework strength strong style sunlight sunshine surface surfaces texture textures uneven variations various wall wallpaper well-built backdrop brick cement colored coloured linear mortar perspective smooth standard surfaced textured traditional-brick-wall variation varied walled boat bollard dock iron isolated lash metal moor mooring rope ship steel tether tie ballast blue metal bolts gravel parallel rail rails rust shine sleepers stable tracks transport triple ancient arms Arthurian badge battle blade body button chrome classic classical clipart decoration design element empty England frame gothic graphic history icon illustration king king arthur medieval old one ornate path pattern power protection roman royal safety shadow shield shiny sign silver symbol three tool war white battlements castle cliff defence defense defensive Edinburgh fortifications fortress grey hill hilltop walls Austria battlement bleak chilly cold icy ramparts salzburg snow stronghold turret winter rectangular