abstract appearance architectural architecture background basic brick brick-wall bricks color colored colors colour coloured colours crack cracked cracks exterior external rough smooth solid standard strength surface surfaces texture textured textures uneven variation varied various wall wallpaper desktop fiction Fractal future futuristic light lightin other science walls write craked fence gloss glossy gray grey backdrop barrier brickwork cement 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 appearances bright colorful colourful contrasting horizontal interconnected interlaced interlinked intertwined interwoven lined painted patterns stripe stripes stripy zigzag zigzagging