<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/68181000/jpg/_68181381_35b91c01-acb9-457b-ab2b-c8902ba9f9b3.jpg>
<http://www.bbc.co.uk/news/science-environment-24466042>