<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/64165000/jpg/_64165034_8fd0f330-f3a1-4a5a-a223-6990010427da.jpg>
<http://www.bbc.co.uk/news/science-environment-20345009>