As every year, the Luxembourg Palace, the seat of the Senate, opens its doors to you as part of the European Heritage Days. You will enter in particular the hemicycle where 348 senators sit who ensure the representation of all the territories of the Republic. You will also discover this important place of our history that began with Marie de Medici in 1615. For these two days, the Palais, the Hôtel de la Présidence, the Jardin du Luxembourg and the greenhouses will be exceptionally open to the public.