China has a vibrant public square dancing culture, with ranks of retirees thronging city plazas at dawn and dusk to groove in time to thumping electronic music. ADVERTISEMENTDespite the occasional noise complaints, authorities generally view the aerobics gatherings as good for maintaining public health in a rapidly aging society. And one of the country’s most popular dance programs in recent years has emerged from the fading rust-belt province of Heilongjiang. Participants in Jiamusi Happy Dancing perform a series of unconventional moves, from strutting with puffed-out chests to pinwheeling their arms. They can feel itIn recent years, other cities in China have also set up Happy Dancing branches.
