Eco-friendly hospital, natural ventilation systems, green roofs, solar panels, rainwater harvesting, energy-efficient equipment, recyclable medical supplies, minimal waste generation, organic gardens, calming water features, abundant natural light, non-toxic materials, healthy indoor air quality, acoustic comfort, flexible modular design, curved lines, warm neutral colors, spacious waiting areas, comfortable seating, soft diffused lighting, shallow depth of field, 2/3 composition, realistic textures, ambient occlusion.