<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/56901000/jpg/_56901440_df330f8f-3d2c-4b59-8cdc-c4a6e97727e7.jpg>
<http://www.bbc.com/news/science-environment-15863549>