Empty containers of zyklon-B (a form of hydrogen cyanide) displayed in the Auschwitz 1 museum. Zyklon-B was the main chemical used in the chambers, and was first experimented on humans at the same site.
Kate Ott/Sopris Stars
Empty containers of zyklon-B (a form of hydrogen cyanide) displayed in the Auschwitz 1 museum. Zyklon-B was the main chemical used in the chambers, and was first experimented on humans at the same site.