This project's focus is on the exploration of complexity and diversity in the design of an architectural object in the context of a virtual environment, to be navigated in real-time. It uses generative techniques, which are developed further into genetic techniques.

The project is inspired on the book "Invisible Cities" by Italo Calvino. It doesn't use the description of a particular city but is based on the dialogues between Kublai Kahn and Marco Polo, when the descriptions of the cities take place. Some aspects of these dialogues give interesting clues about a certain way of designing:

- Kublai Kahn's interpretations and his own descriptions of cities, using Marco's signs and objects, trying to obtain from him the name of a city;

- Kublai Kahn's attempt to grasp all the empire by the understanding of the elements and the rules that originate the cities;

- An Atlas, where all the past and future cities are described;

- A chess game, where all the cities can be created by rearranging the different pieces.

What I develop is a computer program that reproduces the events that are behind the cities creation. The aim is that of generating "all" the cities by using a set of pieces and designing rules to combine these pieces. The program randomly combines the different elements, originating a new city each time the user visits a location on the Atlas. Thus creating the Kublai Kahn's empire without really having the knowledge about every of its cities.