<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/willie-anderson-shaun-alexanderjpg-ed85c468432aa7bf.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2016/02/alcom_all-access_who_should_be.html>