Human fantasy makes new ideas possible. One of these new ideas can be a fresh and collective design of a city, of places where people try to live in a healthy, happy and playful environment. For Lisa, one of the most interesting aspects of Constant’s ideas is the city as a collective space where one can live in. We live in a world where gentrification is in fashion, where the rich get richer and the poor get poorer. We are not used to non-functional spaces anymore, and tend to hide our playfulness, while it does not fit a grown-up life. New Babylon was and is a political statement to me, and fantasy, collectivity and play are its crucial tools. These tools are needed for change.