<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/68840000/jpg/_68840200_7b1c1c52-d652-4142-adcb-dcb91c800041.jpg>
<http://www.bbc.co.uk/news/science-environment-23767354>