Minimalist hospital exterior, green roofs, solar panels, rainwater harvesting systems, natural stone walls, large windows, abundant daylight, calming interior ambiance, recycled materials, low-VOC paints, energy-efficient lighting, simple clean lines, open floor plans, minimal ornamentation, functional furniture, soothing color palette, peaceful courtyard gardens, lush greenery, serene water features, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.