<http://schema.org/thumbnail>
"http://yospace-cds1.reuters.com/u/resize~ad1~120x120/0/f/~image_jpeg~9999-1/1/m/k/q/v/c/hzu7/reuters04?videoId=68844845"^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2013/09/19/autonomous-quadcopter-takes-humans-out-o?videoId=273814564>