<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/50518000/jpg/_50518829_46e1629a-220d-4bf5-87b6-514a4f2ef3a2.jpg>
<http://www.bbc.co.uk/news/science-environment-13507126>