<http://schema.org/image_url>
"http://media.nj.com/the-times/photo/2012/09/-72d0c9d1fd23018c.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://photos.nj.com/4506/gallery/new_egypt_high_football_practice_8152012/index.html>