<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/68686000/png/_68686908_vlcsnap-2013-07-11-18h37m48s70.png>
<http://www.bbc.com/news/science-environment-23281423>