<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/cpsprodpb/E94B/production/_85632795_2841_20120331182312_img_0652_v2.jpg>
<http://www.bbc.com/news/science-environment-35158891>