Accounting for the curvature of the earth is critical for a surveyor. They use highly accurate equipment using lasers. There are many professional surveyors world wide. Show me just one that believes the earth is flat.
“https://reddit.com/r/FlatEarthIsReal/comments/15q7g39/land_surveying_proves_the_earth_is_a_sphere/”>View Reddit by Chipmunkssixtynining – View Source
