<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/71415000/jpg/_71415671_b7fdc78d-3e81-4da2-921f-d165da0cc797.jpg>
<http://www.bbc.com/cymrufyw/25147053>