Unable to answer "What kind of building is this?" for way/351595664 via StreetComplete 47.2:

maybe meassuring station for water level;

Unable to answer "What kind of building is this?" for way/1039340786 via StreetComplete 51.0:

some type of wall, height: ~1,80m material stone blocks

Attached photo(s):
https://westnordost.de/p/132310.jpg

Unable to answer "Where is this fire hydrant located?" for node/7505216348 via StreetComplete 50.1:

nur schild ist da,

Unable to answer "Are these opening hours still correct?" for node/5736261250 via StreetComplete 50.1:

(aktuell) kein Öffnungszeiten schild sichtbar (nur ein schild mit spezialöffnugszeiten für die Feiertage)

Unable to answer "Are there curbs where this way meets this road here? What kind?" for node/320897380 via StreetComplete 50.1:

footpath is on a bridge

Unable to answer "Do the trees here have needles or leaves?" for way/119489037 via StreetComplete 45.1:

nur gräser

Unable to answer "What’s being grown here?" for way/153409189 via StreetComplete 50.1:

keine fruchtbäume; eher in richtung Ost

Unable to answer "What’s being grown here?" for way/153789349 via StreetComplete 50.1:

Nur eine wiese

Unable to answer "Do the trees here have needles or leaves?" for way/124549790 via StreetComplete 45.1:

nur Gräser, keine Bäume

Unable to answer "Is there a shelter at this stop?" for node/3093957229 via StreetComplete 49.2:

doesn't exist _here_ anymore prob. got moved ~100m NorthEast (after "Avenue de Berlin")