<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/61571000/jpg/_61571238_1a01d25c-484b-41b5-bdd4-966719162c04.jpg>
<http://www.bbc.co.uk/news/science-environment-18839302>