<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/58495000/jpg/_58495535_94312079-ac2b-4520-9d2c-ae5eb78751b4.jpg>
<http://www.bbc.com/news/science-environment-18196353>