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 need to import topsoil. Discover how our teams are laying this fertile layer to prepare for the planting of this natural space.
- Seine-et-Marne
- ECT Ile de France
October 2025, installation of fertile soil on the Vaux-le-Pénil site
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