This movement came around in 1913-1930. This is where layering photographs comes along. This act was often used in Communist society back in Russia after the Russian Revolution of 1917, when the Bolshevik party won lead by Lenin. This movement was created in favour of art as a practice for social purposes.
A famous Russian film maker called Dziga Vertov. He was a Soviet pioneer documentary film director and cinema theorist. His ideas influenced the style of documentary movie making, he was a radical filmmaker active in the 1960s. He created a film called The Man with a Movie Camera because he became so interested in the idea of filming and what it could bring to the world. In this film he carries around his heavy camera and films various different things, when put together the film almost looks random and out of place but it is embracing the film world.

Russian avant-garde
This was a large and highly influential wave of modern art that flourished in the Russian Empire and Soviet Union. Here many images were put together, much like photo montage, in a new and unique way. Some of which was used as propaganda for the benefits of leaders like Lenin and Stalin. 

I find this movement very interesting as the photo montage’s are quite unique and use many geometric shapes to make up the image. There also always seems to be a smiling person, looking up at the leader or trying to persuade its spectators to follow what the posters want.