appearances architectural architecture background basic brick-wall bricks bright building cement color colored colorful colors colour coloured colourful colours contrasting firm mortar painted perspectives secure smooth solid strength stripe stripes surface surfaces texture textures wall wallpaper walls abstract appearance brick crack cracked cracks exterior external rough standard textured uneven variation varied various craked fence gloss glossy gray grey concrete horizontal line lines parallel planks tile construction grunge grungy old rock stone urban backdrop cascade cascading drops feature feature-wall patterned patterns spray stone-wall stonework water water-feature water-spray waterfall wet brown knag knot nails plank wood wooden