Correction for the size of The Great Barrier Reef
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How big is 2,486,260,000 arpents?
It's about twenty times as big as The Great Barrier Reef
The size of The Great Barrier Reef is about 102,000,000 arpents.
(a.k.a. Barrier Reef) (Coral Sea, off Queensland, Australia) (approximate)
The Great Barrier Reef, the largest such reef in the world, covers about 102,000,000 arpents. Reefs, such as the Great Barrier, grow in diameter at a rate of 1 to 3 cm per year.