A new documentary, “Auschwitz Untold: In Color,” takes viewers for a chilling new look at the largest Nazi extermination camp, where over a million Jews would eventually meet their deaths.

Of the footage used, director, David Shulman says he had film documentation from Auschwitz, Buchenwald, Bergen and Belsen, among others, that mostly came “from the period of liberation and that period immediately around the liberation.”

But a rare source of material derived from “a very unique album generally called the Auschwitz album” is where Shulman found the most compelling documentation.

“It was an album of 193 photographs that were discovered by chance by a Holocaust survivor after she was liberated. This album is the only known record to exist of images from inside a Nazi extermination camp.”

Read more at i24NEWS.