<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/65909000/jpg/_65909224_c10d16ed-3af2-4f3d-b262-2178178032fa.jpg>
<http://www.bbc.co.uk/news/science-environment-21413066>