<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/68764000/jpg/_68764584_4ad48511-229f-4e48-9fe7-e6f3f5033a6c.jpg>
<http://www.bbc.com/news/science-environment-23327315>