<https://secure.gravatar.com/avatar/10f6d771082dc21b36285b49147052ce?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.radiosantafe.com/2016/03/16/blanco-y-negro-estamos-a-oscuras/>