Just saw this in Mandarin with English subtitle:
Part1
Part2
It might not get all the facts correct, nevertheless, it is still interesting to watch.
Re: Puerh Documentary on Youtube
this may also interest teachat-ers
https://www.youtube.com/watch?v=ZkptOVLGobY
https://www.youtube.com/watch?v=ZkptOVLGobY