Pixel City : fantastic screensaver of city at night

If you like 3D landscapes that you can not enjoy this free screensaver for Windows operating a flight between the skyscrapers of a city at night. I’m talking about Pixel City, a screensaver generated by a software written in C + + which uses procedural generation, a technology used to play a variety of items were identical or very similar. (usually used for the creation of video games and movies) . Pixel City is a free software covered by creative commons license and GPL.
Here is a video demonstration:

Download PixelCity here