The Great Barrier Reef is said to be the largest structure on earth ever created by living creatures.
The Great Barrier Reef World Heritage Area is 347 800 square kilometres in area ( an area bigger that the United Kingdom, Holland and Switzerland combined). It is the largest World Heritage Area and marine protected area in the world.The reef contains over 2,900 reefs which includes 760 fringing reefs, and 300 coral cays.
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