<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/65558000/jpg/_65558553__45107052_a06f5e42-5f51-4248-8a27-2827548051da.jpg>
<http://www.bbc.co.uk/news/science-environment-21509016>