<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/75661000/jpg/_75661833_e9121dfc-dbae-45b7-8dfa-f973205147e2.jpg>
<http://www.bbc.com/news/science-environment-27935479>