Duoyan Zheng Duoyan Zheng, the queen of Korean fitness dance, is it useful? Let's look at the picture above. Wearing a bikini, proudly showing off her abdominal muscles, by the pool, generously showing off her upper circumference and hunching over, the revealed solid line is a hot girl from any angle. I can't believe she's 45 years old! Duoyan Zheng, a South Korean weight-loss expert, relied on diet control and self-made FIGUREROBICS aerobics. In just over three months, from South Korea to Japan, her weight was reduced from 68kg to 49kg. Will you question the practicality of Duoyan Zheng fitness dance again? It must be useful to keep jumping. Aunt Zheng is a living example! As long as you are exercising, your body will burn out. Remember to match your diet, so that you can be thin and healthy. In short, keep your mouth shut and take your legs.