<http://schema.org/thumbnail>
"http://yospace-cds1.reuters.com/u/resize~ad1~120x120/0/f/~image_jpeg~9999-1/1/m/e/f/6/d/xalc/reuters04?videoId=117347014"^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2016/03/28/us-stocks-calm-despite-dc-shooting?videoId=367906420>