<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/55847000/jpg/_55847662_20110110gcllunmerihuwsargyfercyhoeddiadau.jpg>
<http://www.bbc.co.uk/news/uk-wales-politics-20701119>