China’s senior ladies are causing a stir with their bouncing beats Lin Qiaofen has been doing morning ex-ercise in Beijing’Purple Bamboo Park for six years since her retirement in 2008.It was not until recently that she learned that this popular form of recreation for seniors is known as square dancing. China’s senior ladies are causing a stir with their bouncing beats Lin Qiaofen has been doing morning ex-ercise in Beijing’Purple Bamboo Park for six years since her retirement in 2008.It was not until recently that she learned that this popular form of recreation for seniors is known as square dancing.