License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jean Claude Richard, Abbé de Saint-Non. View of the entrance to Tivoli and the walls of the Villa d'Este, horsemen approaching the entrance at bottom center, arched entrance in the middleground, cyrus trees and other plants surrounding, 18th century. The Metropolitan Museum of Art.