Students pedal hurriedly to the Quad.
Mothers wheel their children on strollers.
In slow motion, he alternately bows, kicks, squats and punches, making no sound nor using any accompaniment except those from birds chirping, gears clicking and the random newspaper hitting a doorstep. On any given morning, as many as five people engage themselves in tai chi's slow, meditative motions at the center of Escondido Village. They are not the throngs that crowd Shanghai Park in Beijing every morning, but still enough to draw the bewildered glances of graduate students on their way to class. When his grandson needed baby-sitting, Di brought his clothes, his slippers and his morning tradition of eight years with him to California. N.C. Fists and punches, though, aren't the first things that come to mind when watching the slow, deliberate, rather pacific tai chi.