Cities of Earth Free 3D Screensaver 1.3

Cities of Earth is a free beautiful 3D screensaver wich shows biggest cities of our planet.

Features:
Aflame Sun, stars, 3D Earth model with highlighted cities.
Many of cities which positions corresponds to its real world coordinates. So it's a good educational content.
Day gives place to a night and vice versa.
Low CPU usage.
Zoom in/zoom out.