Lack of lighting?

I was flying back to Irvine after this past Thanksgiving break and took probably a dozen pictures like these from my window seat. I found it very interesting how the LACK of lighting can really make an impact on something. I love not only the night lights of the city, but also how you can really see the landscaping/water because of the lights/lack of lights. I thought it was funny how "Southwest" was lit pretty brightly -- I definitely saw this picture as an ad for the Skype magazine on board -- and it made me think how focusing light on one particular area is all that is really necessary to convey a message across to an audience. Lighting doesn't have to be complicated to be beautiful, it can be simple and be just as powerful.