Main entrance to the Auschwitz-Birkenau extermination camp. Poland, date uncertain. Photograph »

Barracks in the Auschwitz-Birkenau camp. This photograph was taken after the liberation of the camp. Auschwitz-Birkenau, Poland, after January 29, 1945. Photograph »

Prisoners at forced labor in the Siemens factory. Auschwitz camp, Poland, 1940-1944. Photograph »

The Black Wall, between Block 10 (left) and Block 11 (right) in the Auschwitz concentration camp, where executions of inmates took place. Poland, date unknown. Photograph »

Identification pictures of a female inmate of the Auschwitz camp. Poland, between 1942 and 1945. Photograph »

Identification pictures of a Jewish inmate of the Auschwitz camp. Poland, between 1940 and 1945. Photograph »

A transport of Jews from Hungary arrives at Auschwitz-Birkenau. Poland, May 1944. Photograph »

A transport of Hungarian Jews lines up for selection at the Auschwitz extermination camp. Poland, May 1944. Photograph »

Hungarian Jews on their way to the gas chambers. Auschwitz-Birkenau, Poland, May 1944. Photograph »

Bombing raid over part of the Auschwitz camp. Auschwitz, Poland, August 1944. Photograph »

Aerial photograph of Auschwitz II (Birkenau). Poland, December 21, 1944. Photograph »

Aerial photograph of the Auschwitz III (Monowitz) camp, which was adjacent to the I.G. Farben plant. The photograph was taken following US bombing missions. Poland, January 14, 1945. Photograph »

Soon after liberation, an emaciated child survivor is carried out of camp barracks by Soviet first-aid workers. Auschwitz, Poland, after January 27, 1945. Photograph »

Soon after liberation, surviving children of the Auschwitz camp walk out of the children's barracks. Poland, after January 27, 1945. Photograph »

Suitcases that belonged to people deported to the Auschwitz camp. This photograph was taken after Soviet forces liberated the camp. Auschwitz, Poland, after January 1945. Photograph »

Hair of women prisoners, prepared for shipment to Germany, found at the liberation of the Auschwitz extermination camp. Poland, 1945. Photograph »

Rail cars, discovered by Soviet forces, containing bundles to be shipped to Germany. Auschwitz, Poland, after January 27, 1945. Photograph »

Soon after liberation, a Soviet physician examines Auschwitz camp survivors. Poland, February 18, 1945. Photograph »

View of a section of the barbed-wire fence and barracks at Auschwitz at the time of the liberation of the camp. Auschwitz, Poland, January 1945. Photograph »

View of Auschwitz-Birkenau under a blanket of snow immediately after the liberation. Auschwitz, Poland, January 1945. Photograph »

Candles mark the railway tracks leading to the Auschwitz camp during the commemoration of the 60th anniversary of the liberation of the camp. Poland, January 27, 2005. Photograph »