An exhibitionn documenting forced labour under the Nazi regime has arrived in Berlin having toured 30 cities in Poland. Commissioned by the Polish-German Reconciliation Foundation, the exhibition, entitled "Remembrance Preserved: Third Reich Slave and Forced Labor from Poland 1939-1945", includes documents, maps and photographs as well as audio-visual materials. Around three million Poles were subjected to forced labour following the German invasion of Poland in 1939. The exhibition is held at one of Berlin