Long history • Earth.com

Farmers probably didn’t invent whitewash, though, at least not American ones. That’s because it’s been used for many thousands of years. In ancient Mesopotamia, sometime in the 3000s B.C., people were whitewashing buildings, including the White Temple, which was coated inside and out. And the substance may be older even than that. Photo Credit: Jona Lendering/Wikimedia Commons | CC0 1.0

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