abstract corrode corroded corrosion crack cracked decay decaying mildew mold paint paint peeling peel rust rusting rusty texture textures urban decay wear and tear backdrop background cement cemented city color construction design exterior flat grunge grungy interior painting panel peeled red white urban wall art banner coloring crayons creative draw header line lines painted panorama pen pencil pencils rainbow rgb row school spectrum utensil vivid web artist chair easel fixture furniture graphic illustration light light rays old fashioned room stool studio style visual arts work of art appearance colored colors colour coloured colours cream external gray grey rough surface textured uneven wallpaper