<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/71637000/jpg/_71637112_7c24879d-0c6b-4ad0-a156-43592d64990e.jpg>
<http://www.bbc.com/news/science-environment-25186770>