The land inside is still flat, but appears to bend due to the prism effect. The Sun exists in the outer part of the Firmament and it’s lights bends as it passes through the prism. This explains sunrise/sunset.
“https://reddit.com/r/FlatEarthIsReal/comments/18c0zxk/the_land_inside_is_still_flat_but_appears_to_bend/”>View Reddit by FermentedFisch – View Source