It seems like North Korea's 'supreme leader' is making a polite visit to his boss... China.
EDIT : Turns out that it is Kim Jong-il, not Kim Jong-un, visiting China. Kim Jong-il is the current supreme leader of North Korea... responsible for anything crazy that happens in North Korea. He was spotted in Mudanjiang.
P.S. For your entertainment... 6 Reasons North Korea is the funniest dictatorship ever