<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/74964000/jpg/_74964782_62c3f700-4aa4-4386-8102-71241d629d79.jpg>
<http://www.bbc.com/news/science-environment-27264552>