post-apocalyptic submerged city with marine life thriving among ruins

submerged city marine life abandoned skyscrapers overgrown postapocalyptic urban ruins thriving fish surreal ecological recovery fantasy landscape nature reclaiming underwater ocean aquatic ecosystem futuristic decay environmental transformation imaginative environment versus surrealism plants deserted deep blue water oceanic scene vibrant greenery artistic theme world peaceful setting biodiversity change cityscape concept unique buildings architecture calming atmosphere rebirth harmony ai generation generated