<http://schema.org/image_url>
"http://media.masslive.com/breakingnews/photo/2014/08/23/police-shooting-missouri-a44495cfc55c2139.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/news/index.ssf/2014/08/streets_of_ferguson_stay_calm.html>