<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/62140000/jpg/_62140797_674897main_pia16013-43_1024-768.jpg>
<http://www.bbc.co.uk/news/science-environment-19186237>