<https://secure.gravatar.com/avatar/c8b6b8d68316a5fecbafe2b86b125a38?s=96&amp;d=blank&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.puntofape.com/principios-basicos-del-jeet-kune-do-16979/>