<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/73970000/jpg/_73970259_87fca69f-5b3c-467b-9934-0d3cf62e2aa0.jpg>
<http://www.bbc.com/news/science-environment-26849561>