You can tell by how hard Literally Everybody in a hot part of the world worked on this during the intervening 2,500 years. Windcatchers, takhabushes, tsubo-niwa...
Korea's ondol design was SO inspiring, Frank Lloyd Wright copied it to invent Western plumbed-in underfloor heating and cooling.
Relevant Ferret If Known
we really don't talk anough about what a miracle AC is. You can change the temperature of the air by willing it! This was considered irrevocable proof of godhood for 2500 years
