<http://schema.org/primaryImageOfPage>
"https://media.mnn.com/assets/images/2011/06/golf_hirsala.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/money/sustainable-business-practices/photos/5-of-the-greenest-golf-courses-in-the-world/hirsala-golf>