Before us is one of the green spaces that make up the natural artistic heritage of Madrid. It is one of the most beautiful and, paradoxically, one of the least known. The Duke and Duchess of Osuna–especially by the Duchess, María Josefa de la Soledad Alonso Pimentel, created it in 1784. As a protector of artists, bullfighters, and intellectuals, the Duchess created an authentic natural paradise frequently visited by the most distinguished personalities of the period, and where the most prestigious artists, gardeners, and set designers worked. The parterre lies in front of the west façade of the p…