Full frame texture background of a rubble stone wall construction; texture; pattern; wall; stone; rock; building; strong; thick; resource; foundation; rough; cobblestone; cobble; rubble; pebble; concretion; block; solid; side; fortification; consolidation; reinforcement; tower; masonry; brickwork; structure; stone wall; rock wall; brick wall; tower wall; weathered; clouded; stained; soiled; smeared; bedraggled; smeary; befouled; ancient; aged; olden; timeworn; geriatric; heavy; forceful; fence