<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/70875000/jpg/_70875390_3416a2e2-8edf-4ac7-9db1-d88ac1c4141e.jpg>
<http://www.bbc.com/news/science-environment-24793350>