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701.120 square perches is about 0.00000005 times as big as The Great Barrier Reef
In other words, it's 0.0000000510 times the size of The Great Barrier Reef, and the size of The Great Barrier Reef is 19,600,000 times that amount.
(a.k.a. Barrier Reef) (Coral Sea, off Queensland, Australia) (approximate)
The Great Barrier Reef, the largest such reef in the world, covers about 13,800,000,000 square perches. Reefs, such as the Great Barrier, grow in diameter at a rate of 1 to 3 cm per year.
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