One final point that may not be apparent to contemporary readers  We have a hard time understanding today why anyone would think a spherical earth implies habitation on the far sideafter all the entire backside could be endless ocean right  Or barren desert  But to the early Medievalist the earth was created by God for the purpose of providing home to mankind  It seemed incomprehensible to such men that God would create an entire second world below and unreachable from the firstand leave it wholly empty  In their anthropocentric viewpoint this was outrageous  And this is much of the justification for the tacit linkage between rotundity and inhabited antipodes in many early MA sources