a fantastical cityscape with illuminated towers under an aurora-filled sky by a radiant blue river

cityscape illuminated towers aurora sky radiant blue river fantasy architecture lights futuristic reflection water glow bridge magical skyscrapers spectacle colorful vivid night urban dreamlike scifi utopia neon northern vibrant waterfall hightech otherworldly cascade sparkle shimmer landscape metropolis wonderland surreal luminescence nocturnal ambiance world enchantment cosmic highrise fantastical aurorafilled generative