Mr Berger has been featured on this website before. He specializes in edited news footage: chopped, slowed, grainy closeups, draaggged out speech, repetition, overdubs, etc. The result is surreal commentaries that get right up inside their subjects, in a way that's both dreamlike, and disturbing. This is the first documentary of his that I've seen.
I remember when a new wave of radio documentaries came out in the early 1970's. They completely disposed of a narrator, and used the voices and sounds of their subjects to tell the story. The result was, essentially, an extended cut and paste sound stream.
Mr Berger is doing the same thing with video, but flavoring it in his own inimitable fashion.
Link to YouTube
