abstract appearance architectural background colors colours decorative Designs details distinct distinctive edged edges exterior external fancy interconnected interlinked light linear lined lines mosaic patterns perspectives rectangular rough shaped shapes slabs smooth stone stonework strength style surface surfaces textured textures thick thin tiled tiles uneven variation varied various wall wallpaper brown color coloring colour colouring designed feature focus surfaced variations backdrop barrier brick brick-wall bricks brickwork cement constructed firm mortar perspective secure security solid standard strong texture traditional-brick-wall walled well-buil