<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://citymaps.com/m/cool-places-to-spend-an-afternoon-in-mainz/VenueMap>
<https://citymaps.com/m/cool-places-to-spend-an-afternoon-in-mainz/55dae784-463e-4b92-a5aa-142e53fdcebb>