Eco-friendly skyscraper, green roofs, solar panels, wind turbines, rainwater harvesting systems, grey water reuse, vertical farming, living walls, bio-based building materials, recycled glass facades, low-carbon concrete structures, natural ventilation systems, energy-efficient HVAC systems, smart building management, real-time energy monitoring, optimized daylighting, high-performance insulation, sustainable urban planning, futuristic cityscape, bright blue sky, sunny day, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view.