old wall texture smeared engine oil cement dark black gray background abstract grey color

monochrome photograph screenshot darkness symmetry lighting drawing circle shadow sketch black white light text font line wall background black dark texture wall grunge cement abstract concrete gradient grungy grimy chalkboard engine oil dirt rock stone rough rustic paint structure asphalt color vintage grey broken design floor gray blackboard paper street space surface shine light white modern web art graphic solid old frame block backdrop wallpaper artistic stucco