<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/70432000/jpg/_70432766_bryn_terfel_pa_2011.jpg>
<http://www.bbc.co.uk/news/uk-wales-north-west-wales-24498375>