abstract appearance architectural architecture background basic brick brick-wall bricks color colored colors colour coloured colours exterior external hole rough smooth solid standard strength surface surfaces texture textured textures uneven variation varied various wall wallpaper angled angles backdrop blue cone-shaped decorative design detailed display interconnected interlinked light linear lined mosaic patterned patterns perspectives shaped shapes Sizes surfaced variations autumn blended cloud clouds conditions fall fine formations movement skies sky southern spread spreading sun thin vaporish vapourish various-cloud-formations weather white wispy