abstract background city color colored concrete colors concrete crackles decay crack grunge grungy pattern patterns texture textures urban urban decay colored debian black burned cracked decay dry natural old wood bricks broken cracks old wall ruin wall brick building colapse construction crack Nyberg plaster white ancient antique architecture backdrop barn battered copy copyspace decayed derelict dereliction dirty effect element exterior outside paint peeled peeling retro rough rural scratch scratched space structure textured wallpaper weather weathered wooden yellow break cement circles grey hollow paving stone tile whole bloom blossom drainpipe environment garden green nature pavement plant whitewash