Every year millions of visitors travel by way of fins, flippers and feet to see one of the seven wonders of the natural world: the Great Barrier Reef – a living treasure trove of biodiversity. There is still so much to learn and knowledge is the key to understanding more about this living Eden. A thriving metropolis populated by a cast of characters straight out of an adventure novel – heroes, bad guys, sidekicks, lovers and clowns – they’re all players in this vast underwater drama. Today, a new generation of reef guardians are committed to protecting this marine reserve, making a difference and sharing their knowledge of this extraordinary ecosystem, the beating heart of the reef. Learn how this amazing sanctuary has endured for thousands of years and will continue to do so far into the future.