<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/70982000/jpg/_70982187_d97be292-c709-4533-ab71-07f6fc4a1936.jpg>
<http://www.bbc.com/cymrufyw/24858818>