Alex, Aleko, Alekos, Albert or Alberto Errera (1913-1944) 1944, August No. 281, Members of the Sonderkommando of Auschwitz burning bodies. [Sonderkommando photographs.]
Photograph Creative Commons - Wikipedia The photograph shows bodies waiting to be burned. Bodies were burned in outdoor fire pits when the crematoria were full.
A cropped version was published in Stanislaw Wrzos-Glinka, Tadeusz Mazur and Jerzy Tomaszewski, 1939–1945: Cierpienie i walka narodu polskiego, Warsaw, 1958