Eco-friendly hospital building, natural ventilation system, recycled water features, organic gardens, green roofs, living walls, bamboo flooring, reclaimed wood accents, low-VOC paints, energy-efficient lighting, solar panels, wind turbines, rainwater harvesting systems, minimalist design, calming color schemes, comfortable patient rooms, private outdoor spaces, serene courtyards, warm natural light, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.