Under the Sea: Cinematic Tour of Osaka Aquarium KAIYUKAN

Under the Sea: Cinematic Tour of Osaka Aquarium Kaiyukan Osaka Aquarium Kaiyukan is one of the world's largest aquariums, featuring a massive 9-meter-deep central tank that houses gentle giant whale sharks. Visitors walk down a spiral path through diverse Pacific Rim habitats, viewing around 30,000 marine animals across more than 600 species.