<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/67939000/jpg/_67939761_9e88a792-00f8-4387-8cae-1867fc232fd0.jpg>
<http://www.bbc.com/cymrufyw/22750669>