<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2012/04/10/120410164136_sp_haitianos_peru_304x171_joaofellet_nocredit.jpg>
<http://www.bbc.com/hausa/news/2013/04/130411_brazil_immigration.shtml>