<http://schema.org/thumbnail>
"http://yospace-cds1.reuters.com/u/resize~ad1~120x120/0/f/~image_jpeg~9999-1/1/m/8/j/l/c/s5zh/reuters04?videoId=72851891"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2013/11/20/egyptian-police-clear-tahrir-square-afte?videoId=274593608&videoChannel=2602>