...........light skin is a uniform identifying characteristic of all Polar peoples...........
Aleutes? Inuits?
Aleutes? Inuits?
Lots of vitamin D in marine fish oils and probaly marine-mammal blubber.These people live off the sea.
And Eskimos.
Their diets were high in Vitamin D from eating seafood and the animals that ate seafood too. They didn't have to change color to get enough vitamin D.
Northern Chinese are lighter than southern Chinese and the Northern Chinese are descended from the Southern Chinese.
There are many very light skinned Japanese, particularly among the higher nobility (all of whom no longer carry titles) but their families know who they are. Even Cherokee Indians have a substantial light skinned subset, as do other American Indians.