<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/64841000/jpg/_64841839_655526main_iss031e080770_1600_1600-1200.jpg>
<http://www.bbc.com/news/science-environment-20214928>