<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/67910000/jpg/_67910558_b5cf15f0-0916-4da2-ac0a-85f6d2a54742.jpg>
<http://www.bbc.co.uk/cymrufyw/22731978>