Redevelopment of the garden following the renovation of the first Korsakoff house built in 1969, creation of a terrace in gray travertine with tile sections reflecting the aesthetics of 1970s minimalist architecture, treatment of garden levels with successive terraces using oak sleepers, creation of a vegetable garden enclosed by hurdle fencing, planting of a rural boundary hedge with a plant palette compliant with the PNR of the Chevreuse Valley, creation of a parking area with semi-permeable stabilized surfacing, creation of screening embankments planted with shrub beds and grasses to manage visibilities, establishment of a chicken coop.