<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/70300000/jpg/_70300131_21567127-ac39-43e8-968d-f5ae66a3ab0d.jpg>
<http://www.bbc.com/cymrufyw/24413270>