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 greenhouses of steel and clear glass structure, along with a set of light wells, offer views of the underground galleries from the outside. Meanwhile, the Whale Hall, at the ‘cour d’honneur’, rises above the old buildings lighting up at night...[+]