amber background brown color colors colour colours corrosion dark decay deteriorating deterioration discoloration exposed external gray grey grunge grungy iron lined lines metal neglected old orange painted panel plate rectangle rectangular rough rust rusty shadow shadows streaked streaks sunlight texture textures urban-decay wear weathered worn abstract appearance colored coloring coloured colouring conglomerate contours contrast contrasts cracks fissures flaws grit gritty layered layers levels light mica natural rock rock-face rockface rocky rugged shade shape shapes silicate stone strata stratum sunny sunshine surfaces textured veins wallpaper block edged edges edging heavy large red solid split strength surface variations shaped ancient backdrop cliff copy copyspace dressed erode eroded erosion face fossil geological geology grain grainy limestone mason masonry material outcrop oxide patina pattern sand sandstone sandy sediment sedimentary space