There is nothing below us physically
It’s the flat earth and then everything else is above us
Like what you think?!????
lol
You think if you dig a hole all the way through the earth to the othe...
You can check the shape yourself. Watch a ship sail away and it disappears hull first, with the mast the last thing to sink below the horizon. On a flat plane the whole ship would just shrink and stay in view, but no telescope brings the hull back once the curve hides it.