<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://citymaps.com/m/explore-historic-places-in-catania/VenueMap>
<https://citymaps.com/m/explore-historic-places-in-catania/73a82ec7-f4ba-4c85-be62-323d06e99a6f>