<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2014/01/24/140124072627_egypt_304x171_n_nocredit.jpg>
<http://www.bbc.com/afrique/region/2014/01/140124_cairocarbomb.shtml>