LOL that is really paradox! Very surprising…
I’ve tried to lookup some sources on that and stuff is available there looks like outdoor leaves at most…
Photo source: When It Comes To Marijuana, North Korea Appears To Have Liberal Policy Of Tolerance | HuffPost The World Post
Another article: http://www.vice.com/read/north-korea-is-stoned-all-the-time-which-explains-a-lot