A Film Unfinished (2010)

A Film Unfinished (Hebrew title: שתיקת הארכיון Shtikat haArkhion, German title: Geheimsache Ghettofilm) is a 2010 documentary film by Yael Hersonski, which re-examines the making of an unfinished 1942 German propaganda film (titled Das Ghetto, "The Ghetto") depicting the Warsaw Ghetto two months before the mass extermination of its inhabitants in the German operation known as the Grossaktion Warsaw. The documentary features interviews with surviving ghetto residents and a re-enactment of testimony from Willy Wist, one of the camera operators who filmed scenes for Das Ghetto. It premiered at the 2010 Sundance Film Festival, where it won the "World Cinema Documentary Editing Award", the film was released theatrically in the US on 18 August 2010.

More at Wikipedia.