<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/52150000/jpg/_52150394_burkina_cotton_2_afp_73093072.jpg>
<http://www.bbc.co.uk/news/world-africa-13072774>