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7 Things You Need To Know About Blue Holes

Can't wait for the premiere of Into The Blue on Discovery Channel?! Here are 7 fun facts you need to know about the most incredible and mysterious natural features that are Blue Holes...

Discovery Networks
Created by Discovery Networks (User Generated Content*)User Generated Content is not posted by anyone affiliated with, or on behalf of, Playbuzz.com.
On Nov 19, 2018
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1

The navy colour of a Blue Hole is due to the refraction and reflection of light in the deep column of water they contain

2

Within the walls of a Blue Hole it is perfectly still and there is no current at all

3

Most Blue Holes typically contain freshwater, saltwater or a mixture of both

4

In the deepest Blue Holes, It is unlikely that anything lives in the lower half, since there is almost no oxygen that deep

5

The Deepest Blue Hole in the World is the Dragon Hole in the South China Sea at 300m deep

6

The erosion of carbonate rocks which forms Blue Holes is known as 'karst activity'

7

 Discovery Channel ranked the Great Blue Hole in Belize as number one on its list of "The 10 Most Amazing Places on Earth

Want to learn even more?!

Don't forget to watch Into The Blue on Discovery Channel!

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