<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/2013/09/13/130913000331_pablo_escobar_304x171_deamuseum.jpg>
<http://www.bbc.com/mundo/noticias/2014/08/140826_colombia_liberacion_popeye_sicario_escobar_aw.shtml>