Chief Posted April 25, 2012 Share Posted April 25, 2012 Source:*Fox News Latino April 18, 2012 "A 12-foot hammerhead shark, an undersea canyon that suddenly plunges 900 feet and an enormous orange-and-brown barrel sponge are only a few things in an unexplored Puerto Rican reef that U.S. scientists are using sonar and submersibles to explore. read more More... Link to comment Share on other sites More sharing options...
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