<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://e.rpp-noticias.io/medium/2016/10/17/511351_267973.png>
<http://rpp.pe/mundo/mexico/youtube-mexico-investiga-el-incidente-en-que-tiburon-blanco-fue-herido-noticia-1002861?ns_source=organico>