Z.J. Tong, president of the Chicago Chinese Cultural Institute (or one of his associates) leads a one-hour walking tour of Chinatown at 10:30 a.m. every Saturday and Sunday. Strollers and backpacks recommended for kids 5 and under. Tours require a walking distance of about six blocks. Highlights include the Nine Dragon Wall, Chinatown Gate and the Chinatown Zodiac Square. Meet at Three Happiness Restaurant. Reservations required.