sentences:  The southern corridor, which is accessed from the Ballroom, features the most sophisticated painted ornaments.The Duchess had the walls and ceiling decorated with illusionist design, which transformed the interior into a gazebo located amongst ruins, overgrown with grapevine and hollyhocks.The scenery of the corridor was used by the Duchess as a background for a gallery displaying her collection of sculptures, both antique and 18th-century replicas.