A post showing why this proof doesn't prove anything
https://steemit.com/flatearth/@builderofcastles/chasing-shadows-doesn-t-prove-anything-about-the-shape-of-the-earth


A post showing why this proof doesn't prove anything
https://steemit.com/flatearth/@builderofcastles/chasing-shadows-doesn-t-prove-anything-about-the-shape-of-the-earth

