background decay degrade Denver grunge metal old oxidation oxide paint peel rust rusted rusting texture trash waste wastebin aged backdrop black blue circle circles circular close close-up closeup crack cracked cracks damage damaged distress distressed free gray grey image peeled peeling photo photograph picture red resource round stock textural textured UP wear weathered white wood wooden worn green yellow board city grungy lumber painted wood pattern plank planking planks shed urban decay white plank wood pattern wooden texture abandoned abstract Aging Process antique backgrounds broken building exterior Built Structure chipp off construction dark dirty exfoliate flake horizontal Imbalance material messy obsolete outdoors Photographic Effects rotting rough run-down rustic stained Surface Level Textured Effect uneven unhygienic wall boards bolts bracket carriage grooves lines nails painted railway railway carriage slats structure surface textures art branch brown butterfly door insect Natural material notice board orange organism peeling paint pollinator trunk wallpaper woody plant alarm danger dangerous death electric electrical electricity hazard notice sign warning washed