<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/2014/05/08/140508145721_ruins_in_homs_624x351_ap.jpg>
<http://www.bbc.com/mundo/ultimas_noticias/2014/05/140508_ulnot_siria_homs_evacuacion_nc.shtml>