<http://schema.org/image_url>
"http://media.nj.com/njcom_photos/photo/-be622ea47fb8b690.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://photos.nj.com/8001122/gallery/top_user-uploaded_hs_sports_photos_9-30_to_10-3/index.html>