The Great Barrier Reef is the world's largest coral reef system made up of more than 2,900 individual reefs and 900 islands covering an
be seen from outer space and is the largest single structure in the world created by living organisms. This rock formation is made up of
billions of tiny organisms known as coral polyps. It supports a wide variety of life forms and was selected as a World Heritage Site in 1981
CNN named it one of the Seven Natural Wonders of the World in 1997. The Australian World Heritage Sites added it to their list in 2007.
Named the Queensland National Trust, it is the state emblem of Queensland in 2006. A large portion of the