It is a question of restructuring the entire public domain in order to allow a harmonious sharing of spaces with security of the various users, burial of networks, and adaptation to the consequences of climate change. By choosing a group of landscape architects and design offices specialized in water management, we immediately demonstrated our ambition of renaturation for the city of tomorrow. Our work focuses on the complete transformation of the crossing of Augny where nature finds its place and its functions, especially in the fight against heat islands. Urban cooling is a major challenge for cities in the current context of climate change and the phenomenon of urban overheating.