<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/72616000/jpg/_72616926_oysterfest09_1j_470x350-1.jpg>
<http://www.bbc.com/news/uk-england-cornwall-25957987>