Spectacular limestone models! Immerse yourself in the heart of the future Jacques Chirac Park in Chelles through our photo gallery. Over 6 hectares, ECT teams have created an ecological environment inspired by the region’s ancient quarries. These reliefs will be home to dry grasslands, which have become rare in the Île-de-France region, providing a haven for specific biodiversity.
Twenty-three fourth- and fifth-grade students from Louis Pergaud School in Plaisir (78) planted 400 young trees and shrubs, helping to reforest the future park. This nature awareness initiative allows students
Read more
At the end of November 2025, the “Let’s plant for the Nature” initiative brought together 40 children from recreation centers and 20 young elected representatives from the Children’s Municipal Council
Read more
These candid photos illustrate the steps involved in creating fertile soil at the Tertre des Roches site. This soil is made from silt sourced from construction sites, thereby avoiding the
Read more
