<http://schema.org/headline>
"23 Incredible Vintage Photographs of London - Peter the Dog Guarding Luggage at BEA Waterloo Air Terminal"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.complex.com/style/2013/09/london-vintage-photographs/peter-the-dog-guarding-luggage-at-bea-waterloo-air>