The National Acrobats of China have been wowing audiences around the world for 50 years. Today, its our turn. Thirty-five athletes, expert in martial arts, acrobatics and illusion, take the stage performing seemingly impossible feats. Set to traditional Chinese music, the routines include cycling, tricks, plate-spinning, juggling and, of course, acrobatics. 2 and 7:30 p.m. Jones Hall, 615 Texas. For information, call 713-227-4SPA or visit www.spahouston.org. $22 to $52.