<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/62994000/jpg/_62994694_c61fea94-99ef-4a02-8b3a-49d6f5ca75be.jpg>
<http://www.bbc.com/news/science-environment-23474431>