Ten teams of college kids (and reps from one high school and two architectural firms) gathered Sunday on Key Biscayne. From noon to 3:30 about 150 people dug and sculpted some incredible stuff at Crandon Park. It was the tenth time the Miami chapter of the American Institute of Architects has sponsored the competition and the third time on the Key. "This was the best competition we have had," said Bernard Horovitz, president of the American Institutre of Architects. "The participation was
