It's so sad that in 2018 people still lack basic researching skills.
So true, it's also unthinkable that someone has no common sense at all.
Mathematical, as you know for every 100 meter length there is 7.8 mm curvature to make a globe of 40000 km circumference
(or over 1 km is a 7.8 cm hump, 100 km 780 m)
Antarctica is just huge
Two issues, first issue:
75% point match with slightly modified inverted map of Brittany.
Second issue part 1, you've spammed that spirit
LEVER meme like ten times now. WHY DO YOU KEEP SPAMMING A MEME WITH AN OBVIOUS SPELLING MISTAKE?
Second issue part 2, refraction causes a slight change in horizon elevation depending on atmospheric conditions and, attempts to use the spirit level for a "dead on" reading of the horizon may be unsuccessful.
Thanks for your Flat Earth Society tier post, fellow flat earther.