Mount Rushmore in South Dakota
© guillaumelynn/Shutterstock
Mount Rushmore in South Dakota
Happy Presidents Day! Perhaps the lines at the Mount Rushmore National Memorial will be a little longer today. It’s hard to imagine a more appropriate place to celebrate this holiday. How do park workers keep this monument looking good? One trick is to keep water out of the cracks of the sculpted portion of Mount Rushmore. And that’s done with simple silicone sealant, disguised with a sprinkle of granite dust to hide the seal. Do the tabloids know that even these towering presidents have had a little work done?
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