<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/68959000/jpg/_68959201_cairo_protests_2013_624_v8.jpg>
<http://www.bbc.co.uk/news/world-middle-east-23472072>