Yes! I think it's an inbuilt feature of cats that they just love to knock things off tables, bookshelves, desks... you name it, they do it. And if there's an expensive vase located at where a cat wants to take a nap, the vase is gone.

Another feature of cats is that they enjoy spreading their hair on exactly the things that you don't want them to. If there's a pile of clean laundry around, they are sure to find it, love it, and leave a pile of hair on it!

Oh, how I love cats!!!