<https://telaresymanualidades.com/blog/2016/03/02/macarons-que-son-y-receta-basica/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://telaresymanualidades.com/blog/2016/03/02/macarons-que-son-y-receta-basica/>