<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/59809000/jpg/_59809565_british-antarctic-survey_brunt-ice-shelf_p-bucktrout.jpg>
<http://www.bbc.co.uk/news/science-environment-17803693>