dark cement wall concrete polished textured background abstract grey color material smooth surface, grunge paint monochrome backdr

abstract antique architect architecture artificial backdr backdrop background bare blank brickwork cement color concrete construction copy dark decoration design element exterior facade feature floor gray greetting grey grout grunge grungy indoor interior light loft material monochrome object obsolete outdoor paint plaster polished retro rugged scene smooth solid space spread street structure surface technique texture textured vintage wall