abstract ancient antique architecture backdrop background barn battered black building copy copyspace crack cracked decay decayed derelict dereliction dirty effect element exterior grunge grungy old outside paint peeled peeling retro rough rural scratch scratched space structure texture textured wall wallpaper weather weathered white wood wooden yellow appearance backgrounds bare bark brown bumps close-up colors colours cracks dead dry edge edges gnarled gray grey grooves layers lines moss mottled patterns ridges shades of colour shapes smooth strips Stump sunlight surface surfaces textures tree Tree Stump tree trunk trunk uneven variations break broken cement circles hollow paving stone tile whole Acer fissure groove nature sycamore bricks firm solid strength walls fissures hard natural oak Quercus rugged crevice diamond palm pattern Sardinia cut-branches eyes grain knots knotted lumber patterned perspectives radial-lines shape shaped surfaced timber tree-trunk unusual varieties coconut ridge ringed