VIDEO: This is why you don't go touching things at a museum
![7868ff46-](https://images.foxtv.com/static.fox5dc.com/www.fox5dc.com/content/uploads/2019/10/764/432/fnc-museum-clock-060216_1464899797419_1394300_ver1.0_1280_720.jpg?ve=1&tl=1)
This is why you're not supposed to touch when you visit a museum...
The video from the National Watch and Clock Museum in Pennsylvania shows a curious visitor tinkering with a priceless clock before it falls.
The painful-to-watch moment was captured Tuesday on surveillance video, as the intricate clock falls and breaks into pieces.
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