abstract architectural backdrop background barrier brick brick-wall bricks brickwork cement colored coloring colors coloured colouring colours constructed exterior external firm linear lines mortar perspective perspectives purple secure security smooth solid standard strength strong style surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built rectangular ad advertisement arrow girl girls guide light lights neon shine sign signs construction debris demolish destroy door empty fence litter pipe pipes ruins walls brickwall building corner cornerstone cornerstones keystone material old stone stones sundbricks architecture brown century dirty facade grunge historic industrial obsolete red ruined windows yard