<http://schema.org/primaryImageOfPage>
"https://media.mnn.com/assets/images/2013/09/eccentric_billionaires_main.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/leaderboard/photos/7-billionaires-and-their-crazy-ingenious-ideas/lets-make-lots-of-money?hpt=hp_bn18>