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Do you mean to say in spirit he is coming back?

There are "flat" territories found on Earth, obviously. Take any given section of land in a salt level and you will find that it approximates a plane. Yet, on a lot bigger scales there are no genuinely planar surfaces on our planet.

The least complex model for the state of the Earth is a circle, and it would appear that one from a reasonable separation in space. In any case, when estimated precisely, it is seen as more like an oblate ellipsoid, with its equator a small amount of a percent fatter than its stature.