Ditlieb Felderer talks about unknown facts about Auschwitz.
[archiveorg AuschwitzUnknownFactsDitliebFelderer width=640 height=480 frameborder=0 webkitallowfullscreen=true mozallowfullscreen=true]
https://archive.org/download/AuschwitzUnknownFactsDitliebFelderer/Auschwitz-%20%20Unknown%20Facts%2C%20Ditlieb%20Felderer.mp4