The evolution of the CrocoCosmo-System  in 41 version steps from a size of 389 classes to 463 classes.  Each version step comprises 20 of the more than 800 SVN revisions)

The video shows how the shape of the city ist smoothly evolving throughout the system versions in the development process. The elevation of the building lots starts at the ground level and is shifted up with each revision. Thus, the elevation level of a building reflects the creation time of the represented software component. Old buildings are on top of the hills, new buldings are found on the hillslopes, the most recently built-ones on ground level.