Underwater Photorealistic Sailing Shipwreck

Photorealistic underwater scene in ultra-high realism: a centuries-old wooden sailing ship rests on a sandy seabed. The hull is barnacle-encrusted with coral growth, weathered planks, and rusted iron fittings. Masts sag with tangled rigging; sails are furled and tattered. Crystal-clear blue-green water filters sunlight into volumetric beams that caustically shimmer across the hull. Schools of small fish swirl around the rigging while seaweed sways and soft corals cling to every surface. Bubbles rise in slow spirals as a curious octopus explores a coil of rope. A distant reef fades into the blue background, adding depth and a haunting sense of ancient history. Emphasize ultra-real textures, wood grain, water droplets, light caustics, and cinematic composition.