Dubai, Hydropolis, underwater hotel, futuristic architecture, luxurious interior, massive glass dome, intricate metal framework, grand staircase, elegant chandelier, lavish bedroom, floor-to-ceiling windows, ocean views, coral reefs, schools of fish, seaweed-covered columns, iridescent jellyfish-inspired lighting, soft blue glow, 3/4 composition, wide-angle lens, dramatic shadows, high-contrast HDR.