abstract appearance appearances background bright color colored colorful colors colour coloured colourful colours contrasting horizontal interconnected interlaced interlinked intertwined interwoven light linear lined lines painted patterns perspectives smooth solid strength stripe stripes stripy surface surfaces texture textures wall wallpaper walls zigzag zigzagging angle angles architectural architecture basic brick brick-wall bricks discoloration exterior external paint perspective rough smudged smudges standard textured uneven variation varied various barrier crack cracked cracks damage damaged danger deterioration garden lean leaning retaining-wall split-levels splitting strained checked checkered checks purple squared squares vertical