Ancient coverage • Earth.com

It was used in ancient Egypt as well. We know that because excavators found the substance on the tomb of Pharaoh Tutankhamun. And it continued to be used into the times of ancient Greece and Rome. Yes, the Colosseum was coated in whitewash, and so was the Acropolis in Athens. Photo Credit: Steve Swayne/Wikimedia Commons | CC BY 2.0

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