free space transformation habiter. In this book, the French architects Anne Lacaton and Jean-Philippe Vassal, winners of the 2021 Pritzker Prize, present their work through three conceptsFree Space the ideal space would invariably be generous of size, efficiency and comfort. This pre-determined aim is a fundamental principle for Lacaton and Vassal it is no longer up for debate, and it forms the basis of all their projects.Transformation never demolish, always add, transform, extend. Apply free space to existing structures and situations. Treat the place as an existing prerequisite. Take the values of the place as it is and