By the way, in case you feel I'm biased, I am simply hopeless in math.
WHY THE CHINESE KICK OUR REARS IN MATHEMATICS! STUDY THE FIRST PHOTO VERY CAREFULLY. THEN LOOK AT THE SECOND ONE. IT MAY TAKE AWHILE, BUT EVENTUALLY
YOU WILL NOTICE A SLIGHT DIFFERENCE BETWEEN PHOTOGRAPHS.
Class Photo: Shanghai University
Class Photo: University of Colorado