Below is the 1985 documentary Die Befreiung von Auschwitz (Liberation of Auschwitz) but with the narration redone in English. The documentary features a huge amount of footage shot by the Soviets.
"He was gone, leaving Winston holding the scrap of paper, which this time there was no need to conceal. Nevertheless he carefully memorized what was written on it, and some hours later dropped it into the memory hole along with a mass of other papers." - 1984 by George Orwell, chapter 14