<http://schema.org/image_url>
"http://media.pennlive.com/patriot-news/photo/2014/02/14306209-large.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://highschoolsports.pennlive.com/news/article/8395243206268529232/northern-lebanon-goes-wild-when-receiving-student-section-showdown-banner/>