Unable to answer "Is this still here?" for https://osm.org/node/893350740 via StreetComplete 54.0:

21 is a Kanton Building

Attached photo(s):
https://westnordost.de/p/174511.jpg
https://westnordost.de/p/174512.jpg
https://westnordost.de/p/174513.jpg
https://westnordost.de/p/174514.jpg