Keywords: Geschichte 1900-2000 ; Jews / Germany / History / 1945-1990 ; Jews / Germany / History / 1990- ; Jews / Poland / History / 20th century ; Jews / Poland / History / 21st century ; Collective memory and city planning / Germany ; Collective memory and city planning / Poland ; Memory / Social aspects / Germany ; Memory / Social aspects / Poland ; Memorialization / Germany ; Memorialization / Poland ; Judar / historia / Tyskland / 1900-talet / 2000-talet ; Judar / historia / Polen / 1900-talet / 2000-talet ; Minnet / sociala aspekter / historia / Tyskland / 1900-talet / 2000-talet ; Minnet / sociala aspekter / historia / Polen / 1900-talet / 2000-talet ; SOCIAL SCIENCE / Anthropology / Cultural ; SOCIAL SCIENCE / Discrimination & Race Relations ; SOCIAL SCIENCE / Ethnic Studies / General ; SOCIAL SCIENCE / Minority Studies ; HISTORY / Holocaust ; Memory / Social aspects ; Geschichte ; Gesellschaft ; Juden ; Judenvernichtung ; Sozialwissenschaften, Soziologie, Anthropologie ; Historische Stätte ; Kollektives Gedächtnis ; Juden ; Collective memory and city planning ; Jews ; Memorialization ; Deutschland ; Polen ; Polen ; Polen