<http://schema.org/thumbnail>
"http://a.files.bbci.co.uk/worldservice/live/assets/images/2012/11/30/121130142425_south_africa_640x360_bbc_nocredit.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bbchausa.com/hausa/multimedia/2012/11/121129_can50days_video.shtml>