realistic, photograph, (masterpiece), 8k quality, (detailed eyes:1.2), (highest quality:1.1), highly detailed, majestic, top quality, best quality, newest, ai-generated, (intricate details:1.1), extremely beautiful, elegant, majestic, photo background+,aworld completely submerged underwater. A vast ocean, full of life and mystery. The cities are built inside enormous air bubbles, anchored to the seabed and connected by a network of glass tunnels.