<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/71972000/gif/_71972804_south_sudan_conflict_displ_464map271213.gif>
<http://www.bbc.co.uk/news/world-africa-25540694>