<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2014/07/16/140716232220_vladimir_putin_624x351_ap.jpg>
<http://www.bbc.com/portuguese/noticias/2014/07/140723_queda_mh17_danos_putin_fn.shtml>