The narration is polluted with some anti-communist propaganda, as expected from a western MSM, but there are some great footage. DW deleted it from their channel, probably because the video portrayed a too positive image of NK, even with the anti-communist propaganda in the narration.
Maybe some or most of you already knew this doc, but I'm posting here anyway.
I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy: