17°18′55″N 87°32′4″W / 17.31528°N 87.53444°W - The Coordinates, Lighthouse Reef - Where the sinkhole is located, The last Ice age - How it formed, Sinkhole - What is it, 62 mi from Belize City - How Far, 984 ft ↔ 410 ft ↕ - How far apart and deep , Over 200,000 people come to visit the Great Blue Hole - How much people come to the great blue hole yearly, Jacques Cousteau - Who made it famous, The Top Ten Diving Destinations in Belize - famous _ _ _ _ _ _ area, Rick Frehsee - Researched the sinkhole, 10,000 years ago - When it formed, 70,650 square metres - How wide it is, A dry cave - What it used to be, The 10 Amazing Places on Earth (1st) - What it is right now, Limestone - What it was,

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