The "Dark Heart" of Auschwitz-Birkenau

In 1944, Rudolf Vrba and Alfred Wetzler escaped from Auschwitz-Birkenau concentration camp. Their harrowing testimonies and detailed sketches of the camp's mass extermination practices exposed the "dark heart" of Nazi-occupied Poland.

Clip Season 18 Episode 2 Length 01:55 Premiere: 01/21/20

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