architecture backdrop background beige brick brickwork cement color colored colorful colors colour coloured colourful colours concrete irregular limestone mason natural pattern patterning patterns rock solid stone stone wall structure structures texture textures tile wall wallpaper abstract desktop fiction Fractal future futuristic light lightin other science walls write appearance architectural basic brick-wall bricks crack cracked cracks exterior external rough smooth standard strength surface surfaces textured uneven variation varied various craked fence gloss glossy gray grey barrier coloring colouring constructed firm linear lines mortar perspective perspectives rectangular secure security strong style surfaced traditional-brick-wall walled well-built angles building paving black decorative design display displayed glass height high lighting modern rectangles reflections shapes size sunlight windows