<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/62140000/jpg/_62140793_pia16021_malin_05_heatshield-br2.jpg>
<http://www.bbc.co.uk/news/science-environment-19186237>