人人热视频在线观看_成年亚洲免费手机视频_古代艳史小说阅读全文 
        
          
                      
                
                                
                      
                                                          
                      
                                            
                            
                                                
                            
                              
                                  
      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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