Christmas Island Cave Diving Print
Monday, 04 January 2016 08:38

Report of a National Geographic funded cave diving research & mapping expedition investigating Christmas Island submarine caves. The team included Australian cave divers Craig Challen, John Dalla-Zuanna and Ken Smith.

http://www.advanceddivermagazine.com/articles/christmasisland.html

 
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By Jill Heinerth

Cave diving has been called the “most dangerous participatory sport” in the world. It doesn't have to be.



 

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