Unable to answer "What surface does this square have?" for https://osm.org/way/1064767350 via StreetComplete 56.0:

Découpage non représentatif

Attached photo(s):
https://westnordost.de/p/191794.jpg
https://westnordost.de/p/191795.jpg
https://westnordost.de/p/191796.jpg