S o much about North Korea is unknown, their nuclear program, the extent of their social industry and recently, UN imposed sanctions on North Korea on some issues. Kim Jong-un, the present leader of North Korea killed his own uncle to dictate his terms. If you have no idea of North Korea, North Korea will surprise you immensely. You can' t click the photographs which are depicting the poverty of North Korea or even any soldier(even if the face of any soldier is not showing). Photographer, Eric Lafforgue was banned from the rogue state when he clicked certain pictures, like the ones where child labour was practiced or if anyone is suffering with malnutrition. You must also read, 21 Amazing Facts about China. Fact sources- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17.
There are many things yet unknown about North Korea which one might have to discover. Feel free to share.