POI's creator (Voyajo Team)
The Great Barrier Reef is the world's largest reef system composed of over 2,900 individual reefsThe Great Barrier Reef World Heritage Area, which is 348,000 km squared, has 2900 reefs. However, this does not include the reefs found in the Torres Strait, which has an estimated area of 37,000 km (...) (from Wikipedia)