<http://schema.org/about>
"While there are ongoing pushes to protect sharks based on their importance to the ocean ecosystem, a new study shows that there may be an economic benefit to pr"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/eco-tourism/blogs/thanks-to-eco-travelers-sharks-are-worth-more-alive-than-dead>