<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/45958000/jpg/_45958096_xcu_photo_copper_smelter_at_mount_isa_mine_australia.jpg>
<http://www.bbc.co.uk/news/10519264>