1. 淑蓉和公爹老卫68章_二次元比较污情侣头像_充电五分钟深浅两小时

      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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