Are there really tunneled highways of type unclassified below various of the taxiways here?
I rather fear this started as "tagging for the renderer" and someone tried to map these taxiways as being routable for (follow me) cars as well.

Unable to answer "What surface does this path have here?" for way/617399462 via StreetComplete 22.0:

Dieser Pfad existiert nicht. Hier sind nur Büsche

Unable to answer "What are the opening hours of marirosa Naturkosmetik?" for node/6475805731 via StreetComplete 22.0:

Jetzt "H-Architektur"

Attached photo(s):
https://westnordost.de/p/17021.jpg

Unable to answer "What surface does this path have here?" for way/57376835 via StreetComplete 22.0-beta1:

Dieser Weg existiert nicht

Attached photo(s):
https://westnordost.de/p/16397.jpg

Unable to answer "What kind of building is this?" for way/250093857 via StreetComplete 22.0:

Statue mit Sockel, kein Gebäude

Attached photo(s):
https://westnordost.de/p/16832.jpg

Unable to answer "What kind of building is this?" for way/40357026 via StreetComplete 22.0-beta1:

Abgerissen

Attached photo(s):
https://westnordost.de/p/16431.jpg

Zwei Gebäude fehlen

via StreetComplete 21.2

Attached photo(s):
https://westnordost.de/p/16051.jpg

Yas 4/1

via StreetComplete 11.0

Bahar 12