<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/2014/08/22/140822080310_9er_512x288_9er.jpg>
<http://www.bbc.com/mundo/ultimas_noticias/2014/08/140822_ultnot_magnate_humilde_alemania_muerte_men.shtml>