ALSO SEE

ALSO SEE

https://www.youtube.com/watch?v=7C2IMv6_ENI
Eratosthenes Revisited

https://www.youtube.com/watch?v=5p8h5cY9O7c
Flat Earth: Quick Eratosthenes Debunk

https://www.youtube.com/watch?v=wKCRciWIoUs
Flat Earth - Globe Earth Math and Eratosthenes 100% Debunked (mirror)

https://www.youtube.com/watch?v=PfNh4tZ1aVY
Short answer Eratosthenes wrong

https://www.youtube.com/watch?v=Dx9TqZ6A1jw
Flat earth / Do you see what i see Eratosthenes?.

https://www.youtube.com/watch?v=uUhycbNZOsA
The Flat Earth trump card Thanks Pythagoras and Eratosthenes

https://www.youtube.com/watch?v=AXb3x-1XCBE
Eratosthenes proved earth spherical?
https://www.youtube.com/watch?v=SLvTMElrFuw&feature=share