grey wall, texture, background. the building wall, painted with grayish water-based paint. unsmooth but flat surface

grey wall texture background surface old architecture backdrop shaded contrasting block cement building construction concrete technology facade grunge retro vintage stone wallpaper darkgrey abstraction pattern whitewash lactic fence fencing plain polished glassy waterbased painted paint smooth flat lightgrey gradient exterior gray design beige decorative saturated deep interior unsmooth strokes milky