Coral Reef Arena: 3D Stadium Display

Ultra-detailed 3D render of a colossal coral reef displayed inside a transparent aquarium tank in the center of a modern sports stadium. The reef teems with branching corals, sea fans, anemones, clownfish, angelfish, and a graceful manta ray; a curious sea turtle glides near the sandy floor while schools of tiny fish swirl overhead. Sunlight pours through a large skylight and stadium roof, casting shimmering caustics through the water and bright, saturated hues of blue, turquoise, coral pink, orange, and yellow. Surrounding the glass tank are multiple tiers of empty concrete seating, steel beams, and LED banners. The scene is a photorealistic 3D render with crisp reflections on glass, volumetric light, and subtle water particles drifting in the current, as if the reef has replaced the pitch inside the arena.