1. 爱情敏感地带片段_一点点往深处挺进爽_红斑疮图片大全

        How easy is it to group people into “races” based on appearance? What about using individual traits? Does everybody classify the same way?

        Try your hand at "sorting" individuals and see if it matches how people think of themselves. Or explore how we might sort people by physical traits.



        Activities require the Flash 6 plugin.

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