Event· Zurich
GZ-Znacht, GZ Hirzenbach
This appears to be a "GZ-Znacht" (an evening dinner/social gathering, "Znacht" being Swiss German for supper) held at GZ Hirzenbach, a community center in the Hirzenbach quarter of Zurich. Such events typically offer neighbors a shared meal in a casual, communal atmosphere—though I can't confirm specific details like the date or program.