<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/60489000/jpg/_60489392_t7250025-fish_being_pumped_out_of_a_ship_s_hold-spl.jpg>
<http://www.bbc.co.uk/news/science-environment-18208279>