rough texture of the grey concrete wall

flooring floor pattern line wall asphalt white drawing monochrome circle design tile soil textile art sketch black rough texture grey concrete abstract architecture backgrounds blank cement cement floor clean concrete concrete wall copy space design design element empty material obsolete rough stained stucco textured tile weathered wall building feature surrounding wall backdrop background blackboard board border building construction decor decorative detail exterior floor frame granite gray gray wall grey grunge grungy interior space stone structure surface texture urban vintage wall wallpaper