Unable to answer "What kind of building entrance is this?" – https://osm.org/node/9516515761 via StreetComplete 56.1:

L'ingresso é da spostare in via saccarelli 20, sull'angolo opposto a sud.

Attached photo(s):
https://westnordost.de/p/196091.jpg
https://westnordost.de/p/196092.jpg