<http://schema.org/photo>
"http://media.cntraveler.com/photos/55c25c3ad36458796e4c86f1/master/pass/hotel-zaza-houston-texas-exterior-pool.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cntraveler.com/hotels/houston/hotel-zaza-houston>