Cats protect world's largest art museum
Army of felines ensure artworks are free from rats, mice
POSTED: 12:52 AM Jul 10 2012
UPDATED: 5:07 AM Jul 10 2012
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They help guard one of the most prestigious museums in the world. And they must be good at it, because they've been on the job for almost three hundred years. But you might be surprised to see who they are.




