I'm not a racist or anything, but I'm trying to write a fantasy novel and want to give a realistic-ish picture of of human diversity. Where could I find descriptions of the characteristics, skeletal or otherwise of, say, various Chinese ethnic groups? Please keep in mind that I know very little about physical anthropology, and please only point me at cultural information (I know it's more important, but it's also easier to make up) unless it's very detailed to thurough.
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