 During World War II, it was again removed from the Louvre and taken first to the Château d'Amboise, then to the Loc-Dieu Abbey and Château de Chambord, then finally to the Ingres Museum in Montauban.On 30 December 1956, Bolivian Ugo Ungaza Villegas threw a rock at the "Mona Lisa" while it was on display at the Louvre.He did so with such force that it shattered the glass case and dislodged a speck of pigment near the left elbow.