<http://schema.org/thumbnail>
"http://yospace-cds1.reuters.com/u/resize~ad1~120x120/0/f/~image_jpeg~9999-1/1/m/t/a/7/e/iua5/reuters04?videoId=53735657"^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2013/01/04/us-town-gets-armed-school-guards?videoId=240278753&videoChannel=1>