<http://schema.org/image_url>
"http://media.al.com/mobile-press-register/photo/2013/01/-e545ea9495df0d58.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://photos.al.com/4464/gallery/mawss_repair_at_work_jan_31_2013/index.html>