(sci-fi art:1.5), sci-fi postapocalyptic world, (a flying city

(sci-fi art:1.5), sci-fi postapocalyptic world, (a flying city:1.7), a white flying castle is located on it, (huge mechanisms spew clouds of smoke:1.3), panoramic view, clouds of smoke, storm clouds, (masterpiece), (vivid colors:1.6)