<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://citymaps.com/m/explore-historic-places-in-guangzhou/VenueMap>
<https://citymaps.com/m/explore-historic-places-in-guangzhou/4a5cf1b3-ed0d-460b-92d7-34f67da3f9c6>