<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/63024000/jpg/_63024078_06d4cb3f-2694-4c36-aff6-9d0951ff72da.jpg>
<http://www.bbc.com/news/science-environment-19652324>