Unable to answer "What kind of building is this?" for https://osm.org/way/28841662 via StreetComplete_ee 48.0-beta1_ee:

It is parking lot

Attached photo(s):
https://westnordost.de/p/117568.jpg
https://westnordost.de/p/117569.jpg
https://westnordost.de/p/117570.jpg