<http://schema.org/description>
"More than 15,000 poeple participated in the 36th annual Richard S. Caliguiri City of Pittsburgh Great Race. (Video by Nate Guidry; 9/29/2013)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.post-gazette.com/video?v=2704552962001>