<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/61015000/jpg/_61015505_0449fa36-af8b-4146-8e89-d9a16a0a3923.jpg>
<http://www.bbc.com/news/science-environment-18353962>