<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/57536000/jpg/_57536087_6521c10e-cd3b-48d5-83e3-d3777fb08000.jpg>
<http://www.bbc.com/news/science-environment-15531040>