<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/69611000/jpg/_69611176_c0060983-indian_flying_fox_pteropus_giganteus_-spl.jpg>
<http://www.bbc.com/news/science-environment-23932400>