<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/67850000/jpg/_67850704_6c1990c6-1964-486b-8fe2-29ee9ff22eb0.jpg>
<http://www.bbc.com/cymrufyw/22723244>