Arafed building with a flag on top of it in a city

futuristic city, towering building with elegant curves, hollow, advanced architecture, day light, cloudy sky, cityscape, green areas, trees, night view, lights, and white cloud, small Ethiopian flag on top of building photorealistic, 8k, realistic, by zaha hadid, openings, balconies, by zaha hadid and norman foster, ring shaped at top, night light. Top rotating floor , balconies