Berlin im Aufbau (1946)

Berlin im Aufbau is an East German documentary film directed by Kurt Maetzig (one of East Germany's most respected filmmakers) between 1945 and 1946. It was a prominent 22 minute documentary, released in 1946 and produced by the Deutsche Film-Aktiengesellschaft (DEFA) film company. Maetzig was assisted in the assembly of the film by Marion Keller, who had also scripted and organized several other propaganda films of the late 1940s.

More at Wikipedia.