1. GBR is the largets coral reef on the world
2. It is close to the coast of Queensland, Australia
3. It is 2600 kilometre long
4. It is made up of nearly 3000 coral reefs and over 600 islands
5. It is listed as an important World Heritage Site by UNESCO
6. GBR is the largest structure which is made of living things
7. It can be seen from outer space.