Experiment performed by many people from all around the world at various latitudes on the equinox to measure the sun's angle relative to the observer and map these results onto both a flat and globe model:
https://youtu.be/J9w4KtHxZ683-D representation of this experiment using data obtained from
timeanddate.com:
https://youtu.be/7nzEhDX-xzgNotice how in both instances, the angles don't line up on the flat model indicating the sun is in multiple places at once, while all angles on the globe model point towards the same distant sun as to be expected.
