A photo-realistic rendering of a futuristic floating city with a unique architectural design. the image is taken from a bird's eye view, looking up at the structure. the structure is situated on a body of water, with a clear blue sky and a few clouds in the background. on the center of the image, the structure has a curved, white structure with multiple columns, and on top of the structure, there is a green roof with solar panels. The roof is covered in greenery, and the surrounding area is filled with small, white buildings. the buildings are arranged in a grid-like pattern, with the green roof covering the entire structure.