This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Members of Sonderkommando unit pose next to bone crushing machine in the Janowska concentration camp. Members of the Sonderkommando unit pose next to bone crushing machine in the Janowska concentration camp in photo discovered by Soviet war crimes investigation team called officially the Extraordinary State Commission for ascertaining