<http://schema.org/alternativeHeadline>
"Grand Bahama Island tour operators have been inviting divers to sit on the ocean floor \u2014 sans cages \u2014 and watch Caribbean reef sharks glide past them."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/eco-tourism/stories/swimming-with-sharks>