Louis VII made a hunting lodge in the woods at Vincennes. Charles V, the Wise One, completed construction of the castle keep. In the seventeenth century Vau built a third royal residence at Vincennes. Viollet-le-Duc restored the keep and the vault. A vast restoration programme was launched in 1988. Part of the medieval castle survives. The Bois de Vincennes has been a hunting park since the 12th century.