The Great Barrier Reef is the world's largest coral reef.
The reef is located off the coast of Queensland in north-east Australia.
It stretches over 2000 kilometres in length and can be seen from space.
An ancient barrier reef similar to the Great Barrier Reef can be found in The Kimberlies.
For more information about the topic Great Barrier Reef, read the full article at Wikipedia.org, or see the following related articles:
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