over a small distance one could be fooled to perceive the Earth as flat. The Eratosthenes shadow measurement at Summer solistes in Egypt's wells that gave a close fit for the Spherical Earth diameter, if done on a flat Earth, would also give a [false] value of the the sun moving over a flat earth, because giving different angles but at different times. Even from a house 100 meters above sea level, it is clear the surface curves away past the horizon ~ 35 km away.
Take many looks, to see, to form your perception of reality. To prevent you from seeing far, wt wants you to keep the blinkers on. read only the material from Awake Uni. Many bible passages only make sense if you still live on a flat earth, Satan"s post millennium, Jesus' kingdom temptations,---