<http://schema.org/thumbnail>
"http://yospace-cds1.reuters.com/u/resize~ad1~120x120/0/f/~image_jpeg~9999-1/1/m/a/p/y/1/ku82/reuters04?videoId=120380829"^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2016/07/12/helping-chimps-hang-on-to-their-wild-sid?videoId=369231926>