It was Ze's challenge that got me thinking about antipodal Earth geography.

NPR: Dig a Hole to China? Try a Sandwich Instead

Like actors answering a casting call, they hammed it up for Breton's cameras, walking Charlie Chaplin-like in the manner of their antipodal counterparts, the penguin.

FORBES: Magazine Article

Reading from right to left, the green line is almost uniformly upward sloping as we add antipodal countries until reaching Japan, and almost uniformly downward sloping for more equatorial countries.

FORBES: The correlation is there.