According to The Marmot, a new picture has been making the rounds in South Korea showing the same thing. Again, we see that the cities of prosperous and free nations South Korea and Japan are, at dusk (or dawn), awash in light, whereas North Koreans had better get home or else they'll be stumbling in the dark.
I like investigating photos), and my conclusion is that it is probably legitimate.
Through this site, I've traced it to the International Space Station, which snapped the photo on October 11, 2011.
What I don't understand is how we can spend so much on an International Space Station that only turns out blurry pictures.
Meanwhile, I'm curious if North Korea's planned
A Marmot's Hole reader says the photo of the Korean Peninsula can be found here, but I can't verify it since Google Chrome is not playing nice with Quicktime on my four-year-old iMac at the moment. The date in the URL seems to indicate January 2012, though, so I don't think it's from there. [mini-UPDATE: I did not see Korea in that China-to-Australia run once I got it going.]