I pretty much know nothing about it, and would like to learn.
Wikipedia is probably terrible, and I don't know where else to go besides there.
Also, let's throw in some information about the DPRK too while we're at it. All I've ever read about them are ridiculous stories about how they consider Kim Jong-Un to be a god-king and that they set up entire fake cities to fool western tourists.
This is super cool. Is there one from the past two years?
They only have a new one every 5 years, this is the 2019 one so we'll have to wait for 2024 for a new one.