A visionary scene depicting an ethereal city floating in the sky, surrounded by clouds and cosmic phenomena. The city is a blend of organic and high-tech architecture, with structures resembling both natural formations and advanced technology. The buildings are adorned with glowing runes and holographic projections. In the center, a surreal garden thrives, with exotic, luminescent plants and floating water elements. The key figure in the scene is an embodiment of the city's spirit, with a celestial appearance, dressed in a flowing garment that changes colors like the aurora in the sky. This figure radiates an otherworldly energy, symbolizing the union of nature, technology, and the universe.