(some) east asian pops which trad didn't permit 1st cousin OR 1st+2nd cousin marriages. from http://d-place.org pic.twitter.com/TyUfPs1O6m
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yeah, regional variations seem to be the rule. tibetans, too, i'm sure. (^_^) thanks for the input!
It’s noted that the Tibetans are particularly culturally diverse because travel is so difficult.
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