<https://secure.gravatar.com/avatar/49648ccbb820b9b5137e67ab2a9bb1ec?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://javierchirinos.com/cuanto-se-tarda-en-subir-un-kilo-de-musculo/>