http://mocomi.com/ presents: The Great Barrier Reef - Facts Facts about the World’s Largest Coral Reef System- The Great Barrier Reef is the largest living structure in the world. It can be seen by astronauts from outer space. It is composed of over 2,900 individual reefs and 900 islands, that stretch over 2,600 kilometres. The reef is located in the Coral Sea, off the coast of Queensland in Australia. Australia broke away from the Gondwana land mass some 65 million years ago. Australia d