Unable to answer "What kind of parking is this?" for https://osm.org/way/107985946 via StreetComplete 46.1:

Tiefgarage für Bedienstete des Rathaus, öffentlicher Parkplatz oberirdisch.

Attached photo(s):
https://westnordost.de/p/115215.jpg
https://westnordost.de/p/115216.jpg