They have certainly "saved" a lot of fine art from the chateau, though I suspect some of those paintings are copies 
Copies!!!

Sir ...you are mistaken...
As everyone should know Da Vinci painted (at least ) two Mona Lisa's
One...In the morning called Mona Lisa
One...in the afternoon..After a bottle or two of Chianti called Mona with a Moustache...
Its all true ...you can trust me ...I am an artist....