type material refinement strict localized scene keep exact image no geometry changes objective replace current stone walls with fine grain mediterranean dry stone masonry dense and irregular not large block stone stone walls muy definido stones must be small to medium size pieces no large stones tightly packed irregular shapes but compact composition overall look dense mosaic like masonry not feature stones not decorative blocks critical scale control avoid large stones oversized pieces wide empty joints enforce high stone frequency many pieces per square meter visually busy but controlled joints deep but narrow joints irregular thickness visible shadow inside but not exaggerated no flat cement look surface quality slightly rough natural wear subtle imperfections no polished or rounded stones color warm mediterranean palette beige sand light brown slight variation stone to stone no strong contrast between pieces light interaction subtle shadow between stones maintain global lighting exactly as is do not increase overall contrast very important do not change geometry change wall thickness alter edges affect pool floor or vegetation do not convert into large decorative stone wall create luxury villa stone look