abstract angled angles appearance background basic color colorful colour colourful concrete crack cracked cracks detailed footpath ground paint pavement pavers paving perspectives rough spilled spilt stones stonework streaked streaks surface surfaces texture textures variations white affected bolt bolted coloration colors colours connected faded fading green green-sheetmetal joined light metal mottled mottling painted ribbed ribs shadows sheetmetal strength strong sunlight sunshine wall weathered weathering backgrounds bark bumps close-up edge edges layers patterns ridges shades of colour smooth strips textured tree tree-trunk trunk uneven varieties wallpaper wood brown tree trunk