<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/69906000/jpg/_69906908_cff0c7b7-0218-4214-8a42-141b85d1b4c1.jpg>
<http://www.bbc.com/news/science-environment-24134698?postId=117397422>