1.Great Barrier Reef is the largest coral reef in the world.

2.It is close to the coast of Queensland in Australia.

3.It is 2600 kilometre long.

4.It is made up by nearly 3000 coral reefs and over 600 islands.

5.It is in the list of important World Heritage Sites of UNESCO.

6.Great Barrier Reef is the largest structure made by living things.

7.It can be seen from outer space.