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Aerial view of the Great Barrier Reef

Aerial view of the Great Barrier Reef

Photo © Mevans / iStockphoto.
The Great Barrier Reef is the world's largest tropical reef system, covering an area of 348,000 km2 and stretching along 2300km of the eastern Australian coastline. The Great Barrier Reef is made up of over 200 individual reefs and 540 inshore islands (many with fringing reefs). It is among the most complex ecosystems on the planet.

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