<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2014/06/10/140610153420_chile_hidroaysen_304x171_reuters_nocredit.jpg>
<http://www.bbc.com/mundo/ultimas_noticias/2014/06/140610_ultnot_chile_rechanzan_hidroaysen_ng.shtml>