ultra realistic architectural render refinement of the provided image strictly preserve the original image exactly as is same camera angle and composition same geometry and proportions same lighting shadows and surroundings apply the following material change only replace the painted facade with light beige natural stone cladding across all main wall surfaces stone specification finely cut limestone blocks or large format stone panels smooth to lightly textured surface not rough or rustic subtle joints or panel lines clean and precise warm light beige tone consistent and refined keep all existing travertine elements unchanged horizontal bands and vertical strip remain visually distinct important clearly differentiate materials main facade stone should not look like travertine avoid blending both materials into one avoid heavy texture porous stone or weathered appearance dark stains aging cracks or dirt random stone patterns or irregular masonry balcony railings apertures doors and all other elements remain unchanged rendering style high end architectural visualization clean contemporary mediterranean stone facade elegant and newly built
