A towering eco-friendly skyscraper in a futuristic metropolis, designed as a vertical forest. Each balcony features lush greenery, hanging gardens, and solar panels glinting in the sun. People are visible on sky-bridges connecting the towers, riding transparent elevators. Drones deliver packages to the green terraces. The sky is a clear, bright blue with fluffy white clouds. Architectural visualization, photorealistic, Unreal Engine 5 render, sustainable design, bright and airy, 8k.