<http://schema.org/image_url>
"http://media.nola.com/politics/photo/comiskey-park-april2012jpg-7450e98964747136.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.nola.com/politics/index.ssf/2012/04/comiskey_park_in_mid-city_reop.html>