modern mid rise residential building 4 stories clean rectilinear architecture with straight horizontal floor slabs and exposed structural columns minimalist white concrete or stucco facade large floor to ceiling glass windows a continuous external balcony railing system wraps around the building positioned in front of the slab edges offset outward not sitting on top of the slabs the railing is composed of thin vertical metal slats forming a unified flowing ribbon the ribbon follows a smooth sinusoidal wave profile and extends both above and below each slab edge creating a suspended band that visually floats in front of the structure the railing thickness is consistent and continuous across all floors including the roof level maintaining the same wave rhythm and alignment the wave wraps seamlessly around building corners without interruption the slab edges behind remain perfectly straight and horizontal emphasizing contrast between rigid structure and fluid facade layer high end contemporary architectural design soft shadows realistic materials matte black or dark bronze railing light neutral facade subtle landscaping at ground level clean urban setting photorealistic rendering global illumination high detail 4k daylight blue sky
