<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/67067000/jpg/_67067624_4085164-high_res-abby-and-brittany-joined-for-life.jpg>
<http://www.bbc.com/news/magazine-22181528>