For anyone who doubts the difference between life in North and South Korea, the former a very poor extreme authoritarian Communist state and the latter a prosperous market economy and democracy, take a look at the satellite view of the two states at night. Thanks to the excellent blog:
http://im-an-economist.blogspot.com/2012/06/graphs-images-of-week-separated-by.html
Creativeconflictwisdom's Blog 