type localized material override strict spatial selection scene keep exact image no geometry or lighting changes target definici n espacial clara modify only the lowest stone wall in the image the wall located in front of the pool overflow channel foso the wall that is directly touching the natural ground and vegetation clarificaci n visual muy importante this wall is the closest stone wall to the camera positioned at the bottom edge of the image separating the pool structure from the natural terrain exclude esto es lo que falla do not modify the wall behind the pool the upper retaining walls the walls around the terrace any wall that is above the pool level only the front perimeter wall below the pool material referencia imagen 2 apply heavier darker dry stone masonry larger more irregular stones deeper joints stronger shadow contrast color darker palette than existing walls brown grey earthy tones more contrast between stones surface rougher more weathered more natural erosion light keep global lighting unchanged only enhance material depth locally frase clave esta es la que lo salva apply the new stone material only to the lowest front wall touching the ground leaving all other walls exactly as they are
