Immerse yourself into the largest coral reef on Earth, the Great Barrier Reef! Among thousands of islands on the Australian north coast lays the legendary paradise, which has been pronounced an UNESCO World Cultural Heritage Centre. This miracle of nature is home to one of the largest biodiversities in the world, including turtles, colorful fish, sharks, clams and fascinating coral scenery. Accompany world famous underwater cinematographers and Undersea Explorer John Rumney on their journey through the most impressive islands and learn about the effects of the increasing threat of a lack of biodiversity in the coral reefs. Experience The Great Barrier Reef, shot in gorgeous 4K resolution.