texture of old gray concrete wall for background. rust​ damaged​ to​ surface​ wall​ concrete​ for​ background​.

abstract aged antique architecture art backdrop background background​ black blank building cement concrete concrete​ construction damaged​ dark design detail dirty element empty floor form for​ frame gray grey grunge grungy layer material monochrome old paint paper pattern peeling rain retro rough rust​ space stone structure surface surface​ texture textured urban vintage wall wallpaper wall​ weathered white ​