“For comparison, ancient Egypt moved 625 kg per capita per year, Easter Island 260 kg, and the Mayan city of Copán 665 kg. Rome, at its zenith, including the roads, moved 3.85 tonnes of earth per person each year.” https://t.co/13pdBWMCMt https://t.co/7rHfxngQZJ

“For comparison, ancient Egypt moved 625 kg per capita per year, Easter Island 260 kg, and the Mayan city of Copán 665 kg. Rome, at its zenith, including the roads, moved 3.85 tonnes of earth per person each year.”

https://t.co/13pdBWMCMt https://t.co/7rHfxngQZJ

— Warren Myers 🐧🐿 (@warrenmyers)
Apr 4, 2022

from Twitter https://twitter.com/warrenmyers

April 04, 2022 at 11:19AM
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