Unable to answer "What’s the surface here?" – Foot Path – https://osm.org/way/1148629887 via StreetComplete 61.3:

Not sure how to give type of ground here. Both branches of the path are just either side of a concrete square + a metal platform, and a concrete ramp on the right. Could split?

Attached photo(s):
https://streetcomplete.app/p/318382.jpg