abstract backdrop background beam brown building construction copy dark grain graphic groove. grunge grungy hardwood illustration industry knot knotted light mahogany maple material medium merchant natural oak outbuilding panel pattern pine plank polish red redwood rough shed space stain stripe texture timber tree vector wall walnut wood wooden groove grunge abandoned angles appearance barriers closed color colored colors colour coloured colours corrugated corrugated-iron danger decay demolition derelict deterioration disrepair elements exterior external iron metal neglect neglected old open partially-demolished-building posts roof roofing rural rural-decay rust rusting rusty safety shade shadows sunlight weeds graphicbolt nut reel screw