Boy ballet dancers exercise to the accompaniment of piano at the art school Shanghai Little Star in Shanghai, east China, May 29, 2019. The Shanghai Little Star, a subsidiary of the SMG (Shanghai Media Group), opened its first boy ballet class in 2018. After one year of training, more than 20 boys between the ages of four and six, have gone through a series of tough exercises and become little ballet fans. (Xinhua/Liu Ying)