clawfire
Unable to answer "What surface does the square Am Duerf have here?" for https://osm.org/way/672552106 via StreetComplete 31.3:

il y a du béton, des pavés et aussi un espèce de compacté solide.

Attached photo(s):
https://westnordost.de/p/40329.jpg
https://westnordost.de/p/40330.jpg
https://westnordost.de/p/40331.jpg