of Culture, and as the National Memorial Sites Buchenwald and Ravensbrück, Sachsenhausen served as place of identification and legitimisation of the GDR. The government of East Germany emphasised the suffering of political prisoners over that of the other groups detained at Sachsenhausen. The memorial obelisk contains eighteen red triangles, the symbol the Nazis gave to political prisoners, usually communists. There is a plaque in Sachsenhausen built in memory of the Death March. This plaque has a picture of malnourished male prisoners marching, all of whom are wearing the red triangle of a political prisoner. Based on reporting in the newspaper Neues Deutschland, historian Anne-Kathleen Tillack-Graf shows how the Sachsenhausen National Memorial Site was politically instrumentalised in the GDR, especially during the celebrations for the liberation of the concentration camp. Unified Germany Museum After German reunification, the former camp was entrusted to a foundation that opened a museum on the site. So since 1993, the "Gedenkstätte und Museum Sachsenhausen" (Sachsenhausen Memorial and Museum) has been responsible for exhibitions and research on the camp's history on the grounds of the former Sachsenhausen Concentration Camp. The educational work of the institution focuses on the history of the Oranienburg concentration camp, various aspects of the history of the Sachsenhausen concentration camp, the Soviet special camp and the history of the memorial itself. The museum features artwork created by inmates and a high pile of gold teeth (extracted by the Nazis from the prisoners), scale models of the camp, pictures, documents and other artifacts illustrating life in the camp. The administrative buildings from which the entire German concentration camp network was run have been preserved and can also be seen. , the site of the Sachsenhausen camp, at 22, Strasse der Nationen in Oranienburg, is open to the public as a museum and a memorial. Several buildings and structures survive or have been reconstructed, including guard towers, the camp entrance, crematory ovens and the camp barracks. Excavations With the fall of communist East Germany, it was possible to conduct excavations in the former camps. At Sachsenhausen, the bodies of 12,500 victims were found; most were children, adolescents and elderly people. Soviet-era crimes Following the discovery in 1990 of mass graves from the Soviet period, a separate museum was opened documenting the camp's Soviet-era history. Between 1945 and 1950, 12,000 people died of hunger and disease in the so-called Speziallager. Neo-Nazi vandalism The compound has been