<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/69156000/jpg/_69156971_61085_fullimage_verkeersbord-auto-te-gast.jpg>
<http://www.bbc.co.uk/news/magazine-23587916>