For a horrifying look at this cloistered country, read Aquariums of Pyongyang: Ten Years in the North Korean Gulag.
Watching the few videos of North Korea by journalists who have reported (under severe restrictions) from inside that country, you realize that the beleaguered, sick, and hungry inhabitants really do think that they’re living in a paradise, for that’s what they’re constantly told, and they never learn otherwise since they have virtually no exposure to the outside world.
Over the years, I must have seen every YouTube video on North Korea, for I’m fascinated by the world’s most isolated country and its totalitarian government. “Welcome to North Korea,” which I’ve embedded below, is one of the best documentaries:
The VICE guide to North Korea, in three parts (part 1 here) is equally intriguing and horrifying, but leavened by the hippy-ish narrator. And the quality of the video is far better.