Reunification has created urban and architectural problems concerning the nature of Germany and its past. This conference concentrates upon two acute aspects of this situation - the urban centre of Berlin and the continuing controversies about the representation of the Holocaust. Matthias Reese on his work with Daniel Libeskind for a memorial project in Oranienburg that includes both the Sachsenhausen concentration camp and various outlying sites formerly used in administrative and residential capacities by the SS.Stefan Doesinger on a project for the Knigsplatz in Munich.