The picture shows two little girls wearing traditional Chinese Yang Guifei dance costumes, dancing on stage.
This dance is called "Children's Fan Dance" and it is a form of traditional Chinese dance.
It originated in the Ming Dynasty and is a dance that uses fans as the main prop.
The dance is usually performed by women who wear gorgeous costumes and hold fans while performing graceful movements.
This dance has a long tradition in Chinese history and is considered an elegant art form.
Nowadays, this dance has become a part of Chinese culture and is widely inherited and developed.