<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/71684000/jpg/_71684699_d9b9634f-8eec-482e-9c06-c1edd7335e93.jpg>
<http://www.bbc.co.uk/news/science-environment-24169859>