Sixty-nine percent of West Berliners smiled, but only 23 percent of East Berliners. Fifty percent of West Berliners sat or stood upright, but only 4 percent (!) of East Berliners. Eighty percent of West Berlin workmen had their bodies in an open posture—turned toward others—but only 7 percent (!) of the East Berliners did. West Berliners laughed two and a half
