<http://schema.org/about>
"As wildlife habitats across the planet have become more vulnerable, zoos have stepped up their work of preserving endangered species. Here are eight internation"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/photos/8-of-the-worlds-most-popular-zoos/where-the-wild-things-are>