Eco-friendly hospital buildings, natural ventilation systems, green roofs, living walls, solar panels, rainwater harvesting, recycled materials, energy-efficient lighting, minimal waste management, organic gardens, calming water features, peaceful courtyards, abundant natural light, open floor plans, modular design, futuristic medical equipment, advanced diagnostic tools, comfortable patient rooms, soothing color schemes, soft warm lighting, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.