contrasty texture of rough grey concrete wall

abstract art backdrop background broken building cement concrete concretebase concreteblock concretefloor concretewall crack damage decorative decorativeconcrete dirty effect exposedconcrete flatsurface floor gray grunge innersurface leanconcrete material obsoleted old onthesurface paint pattern reinforcedconcrete retro rough scratchthesurface stone surface surfacearea texture wall weathered whitecement wood worksurface