Public spaces used to be a place of exchanges, meetings, leisure or contestation. They were design in that way. Today we lived differently. In the sense of, the gap between «habiter and travailler» became something else. It used to be something fixed, something rigid but now, we are always in activity. The park should be something different, something new. It could play with our senses. Instead to be repetitive and planned, the park could be an experience. Users should be able to appropriate the space and activate new things. The urban experience could be a new field of exploration and imagination for the inhabitants...