<https://www.unpinenelmapa.com/post/ciudadela-de-saladino-en-el-cairo-lugares-que-ver-o-visitar>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.unpinenelmapa.com/post/ciudadela-de-saladino-en-el-cairo-lugares-que-ver-o-visitar>