<https://blog.gifi.es/wp-content/uploads/2019/03/serenity.png>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.gifi.es/decoracion/pensando-en-renovar-tus-muebles-de-jardin-y-terraza/attachment/serenity/>