<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/68169000/jpg/_68169235_bae4db50-c69c-45f9-9c10-cace4a789701.jpg>
<http://www.bbc.com/cymrufyw/25292448>