use the reference image as the exact design reference add a cantilevered first floor terrace slab only in the area marked on the image the terrace must match the reference image in depth thickness proportions and architectural style add integrated planter boxes filled with lush greenery and flowers along the outer edge of the new terrace exactly like the reference image apply this modification only within the marked area do not extend the terrace beyond the selected region preserve all existing windows walls roof facade materials proportions and architectural details exactly as they are do not redesign or modify any other part of the house seamlessly integrate the new terrace with the existing architecture photorealistic ultra detailed realistic contemporary architecture