Regen is an experimental documentary film directed by Joris Ivens in 1929. It can be defined as a cinematic-poem. In 2021 Breve Storia Del Cinema restored the film with a new score composed by Nikolas Labrinakos.
Books with substantial mentioning of Regen
Rommy Albers, Jan Baeke, Rob Zeeman (red) Film in Nederland Amsterdam/Gent, 2004