North Korea is notoriously secretive. But it can’t hide from satellites. Here are nighttime images showing the amount of light coming from the Korean peninsula.
As Donald Rumsfeld once said, “North Korea is dark”:
This image comes from “Measuring Economic Growth from Outer Space” by J. Vernon Henderson, Adam Storeygard, and David N. Weil, who demonstrate how light can be used as a proxy for measuring economic growth in places with poor economic data.
For other versions of this image, just google north south korea at night.