<http://schema.org/image_url>
"http://media.al.com/birmingham-news/photo/2011/07/-88321a81c161a688.JPG"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/entertainment/index.ssf/2012/10/does_tuscaloosa_have_the_best.html>