<http://schema.org/thumbnail>
"http://yospace-cds1.reuters.com/u/resize~ad1~120x120/0/f/~image_jpeg~9999-1/1/m/t/w/s/n/gbkc/reuters04?videoId=89975320"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2014/07/15/moscow-metro-derailment-kills-at-least?videoId=324031497&videoChannel=2602&channelName=Most+Popular>