The two Koreas at night. These photos were taken by the astronauts on the International Space Station on Jan. 30. The image shows in its center, a North Korea plunged into darkness between South Korea, down, and China, above. Only the capital Pyongyang emits a low light --- http://earthobservatory.nasa.gov/IOTD/view.php?id=83182&eocn=home&eoci=iotd_previous

