futuristic neon metropolis city on surreal bioluminescent jellyfish floating blue sci-fi sky with clouds

city jellyfish neon bioluminescent surreal futuristic sci-fi technology floating metropolis fantasy glowing fantastic science fiction science tower river building sky light night clouds nature sun sea blue moon cloud sunset aurora ocean planet skyline architecture cityscape urban skyscraper construction design concept buildings future tall skyscrapers alien dreamlike cosmic ethereal purple pink borealis