Watch Online HD on HDtoday. In the heart of the a vast ocean, the atolls of the Pacific are like oasis in a sprawling desert. Each one contains a unique and breathtaking environment. Where the reef breaks, the ecosystem of the lagoon flourishes. Filmed in UHD and extreme slow motion, this film captures the exclusive behavior of the creatures that live here, including sharks, whales, manta rays, groupers, and many more.