Source
Source: The airtight containers with the crystals for the poison gas
“Zyklon B”, intended for the extermination camp Auschwitz. Photographer
unknown.
bpk-Bildagentur, image number 30002970. For rights
inquiries, please contact Art Resource at requests@artres.com (North
America) or bpk-Bildagentur at kontakt@bpk-bildagentur.de (for all other
countries).