<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/71674000/jpg/_71674241_1bba4c06-39cb-44e4-a4fd-5b03f4dcb95a.jpg>
<http://www.bbc.co.uk/news/science-environment-24169859>