<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/70548000/jpg/_70548431_e4380163-homo_georgicus_family-spl.jpg>
<http://www.bbc.co.uk/news/science-environment-24564375>