The extension is conceived as a composition of several volumes clad with the typical brick of the area, but reinterpreted with a lighter appearance, as an openwork, which adds visual appeal and dynamism to the facade by creating an interplay of light
The renovation wraps up the Rue du Luxembourg axis and establishes an essential connection between city and nature. The building breaks up into smaller scale elements, each with its own logic and appearance, that culminate in the public roof garden..
A low-rise pavilion of organic forms functions as a modern agora that gathers the circulation and meeting spaces, as well as those for temporary exhibitions; the permanent collection is kept in the basement, organized around an orthogonal structure..
In order to enhance the unique character of the Botanical Garden and maintain the original scheme, a sequence of exhibition galleries are added to connect new and old as well as a series of glass volumes that emulate the existing greenhouses. The gr