Briefkasten ist noch nicht hinterlegt

via StreetComplete 42.0

Attached photo(s):
https://westnordost.de/p/90911.jpg
https://westnordost.de/p/90912.jpg

22 steps for lower part of the stair (between street "Am Höllenberg" and street "Über den Gartenwiesen") - the stair from the street "Am Hasensprung" to "Über den Gartenwiesen" is sepatated by the street "Am Höllenberg")

via StreetComplete 27.1

Attached photo(s):
https://westnordost.de/p/23770.jpg
https://westnordost.de/p/23771.jpg

Unable to answer "Is this a one-way street? In which direction?" for osm.org/way/708656612 via StreetComplete 26.2:

no oneway street but only for residents

Attached photo(s):
https://westnordost.de/p/22631.jpg

Hier gibt es einen öffentlichen Bücherschrank

via StreetComplete 21.2

Attached photo(s):
https://westnordost.de/p/16286.jpg