<http://schema.org/primaryImageOfPage>
"http://media.mnn.com/assets/images/2009/11/AUSmegafauna.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/photos/9-ancient-man-made-environmental-catastrophes/australian-m>