modify only the material in the rectangular wall area on the right side apply modern cut limestone blocks similar to mediterranean ashlar limestone use large rectangular limestone blocks with horizontal coursing and thin joints the stone should be light warm beige with a smooth natural limestone texture the stone panel must remain flat and stay within the rectangular area only do not extend the stone past the roof edge or into the window area keep all other walls smooth white stucco do not add columns thickness or structural changes maintain the same architecture stairs landscaping and camera angle