Unable to answer "What’s the height of the curbs at this crossing?" for https://osm.org/node/3702108102 via StreetComplete 56.0:

There's a curb on one side, but the other side has a draining ditch between the crosswalk and the sidewalk.

Attached photo(s):
https://westnordost.de/p/191597.jpg
https://westnordost.de/p/191598.jpg