<http://schema.org/image_url>
"http://media.al.com/alphotos/photo/2012/10/-206ba9f95dd1786c.JPG"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/entertainment/index.ssf/2012/10/kentuck_festival_of_the_arts_g.html>