Cool: http://earthdata.nasa.gov/labs/worldview/?map=-24.484375,14.05078125,50.75,62.14453125&products=baselayers.VIIRS_CityLights_2012~overlays.sedac_bound&switch=geographic

The used pics are freely available here: http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=79765