enhance this image by adding realistic natural exterior lighting that seamlessly integrates with the existing scene balance all light sources improve global illumination soft ambient bounce light realistic sunlight direction subtle shadows physically accurate reflections natural exposure realistic color grading cinematic dynamic range and soft contrast preserve 100 of the original composition architecture furniture objects models materials textures geometry proportions camera angle framing and all fine details do not alter or replace any elements do not redesign the interior or exterior keep every texture sharp and realistic including wood concrete fabric glass metal stone and vegetation maintain photorealistic materials with accurate surface reflections and roughness only improve the lighting quality by introducing believable outdoor light entering through windows openings creating realistic indirect illumination while maintaining a natural balance between interior and exterior brightness eliminate overexposed highlights and crushed shadows preserve all details in both bright and dark areas ultra photorealistic physically based rendering pbr global illumination ray traced lighting realistic ambient occlusion hdr lighting high dynamic range architectural visualization quality natural white balance clean image 8k maximum realism