futuristic cityscape with flying vehicles and skyscrapers amidst clouds sci fi urban concept art

cloud city vertical living advanced air traffic urban sky transport urbanization dreamy future fantasy aerial view fiction imaginative dense development life imaginary high rise environmental design clouds eco friendly transportation innovation flying vehicles surreal cityscape construction green buildings skyscrapers metropolis visionary science civilization utopian dystopian modern environment futuristic verdant infrastructure concept art hovercraft skyline world architecture metropolitan sci generative