<http://schema.org/image_url>
"http://media.advance.net/breaking_news_national_desk/photo/moner-mohammad-abu-salha-7939cfb753e4b2be.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/news/index.ssf/2014/07/al-qaeda_group_releases_video.html>