<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/2015/09/14/150914083636_banana_624x351_bbc_nocredit.jpg>
<http://www.bbc.com/mundo/noticias/2016/01/160104_realmente_desayuno_mas_importante_dia_ch>