texture of gray cement concrete with grooves

abstract architecture background blank bubbles building cell cement close closeup cold concrete construction crack damage damaged detail dirty distressed dry effect empty floor gloomy gravel gray grey grooves grunge grungy impac indoor irregularities landscape macro material monochrome monotone object old outdoors outside past photograph process relief retro road rock rough run sand scratched spotted stained stone stonewall structure surface texture textured tone tranquil up update urban vintage walkway wall wallpaper way weathered white