<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/75216000/jpg/_75216504_0b4003a6-1a0b-43a0-acb9-2e9fff952fb9.jpg>
<http://www.bbc.co.uk/news/science-environment-27642463>