Eco-friendly planetarium, lush green walls, living roofs, recycled materials, energy-efficient systems, solar panels, wind turbines, rainwater harvesting, geothermal heating, natural ventilation, circular economy principles, futuristic architecture, domed structure, 360-degree projections, immersive experiences, interactive exhibits, educational displays, minimal waste generation, biodegradable furniture, organic food sources, self-sustaining ecosystems, peaceful ambiance, soft natural lighting, shallow depth of field, panoramic view, realistic textures, ambient occlusion.