Eco-friendly zoo, lush green roofs, solar panels, rainwater harvesting systems, natural ventilation, minimalist design, recycled materials, educational signs, wildlife habitats, open-air classrooms, wooden bridges, native plant species, shaded walkways, organic waste management, composting facilities, geothermal heating, energy-efficient lighting, large windows, panoramic views, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.