Antipode
From Cyborg Anthropology

Map of antipodes of the Earth, in Lambert Azimuthal Equal-Area projection.
Definition
“In geography, the antipodes of any place on Earth is its antipodal point; that is, the region on the Earth's surface which is diametrically opposite to it. Two points which are antipodal to one another are connected by a straight line through the centre of the Earth” [1].
Also See
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