<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/61304000/jpg/_61304190_f9ec3663-a56f-4397-979b-f9f7ef3af881.jpg>
<http://www.bbc.co.uk/news/science-environment-22870944>