<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/70385000/png/_70385708_vlcsnap-2013-10-09-11h43m13s97.png>
<http://www.bbc.co.uk/news/science-environment-24466042>