<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/71346000/jpg/_71346983_ca42f4f0-38c4-4c74-9a0f-86a74a664eb8.jpg>
<http://www.bbc.com/news/science-environment-25384057>