old spotty mottled ragged gray-orange-brown background from an internal or external concrete wall interspersed with small pebbles

advertising ancient artistic backdrop background blank brown building cement coating concrete cover cracked creative creativity decor decoration design dirty exterior external gray grayorangebrown heterogeneity horizontal impure interior internal interspersed layout material mottled no nonsmooth old patchy pebble pebbles people porous project ragged roughness shabby small speckled spotted spotty stucco style stylish surface texture variegated wall weathering web worn