Greek mathematician Eratosthenes' Well on Elephantine Island said to have calculated the circumference of the Earth in 255BC

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Greek mathamatician Eratosthenes is said to have used the Well on Elephantine Island to calculate the circumference of the Earth around 255 BC

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Size: 5184px × 3456px
Location: Aswan Egypt
Photo credit: © theodore liasi / Alamy / Afripics
License: Licensed
Model Released: No

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