<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/71003000/jpg/_71003231_pw-2013-11-07-randall-cloaks.jpg>
<http://www.bbc.co.uk/news/science-environment-24867090>