What's the name of the square dance that people doing morning exercises in Ganjul Square are dancing?

People doing morning exercises in Ganjul Square are dancing square dance. According to relevant information, square dance is a form of performance, not a kind of dance, and folk dance occupies a large proportion in square dance. According to the research of art historians, the earliest art produced by human beings is dance, and square dance is the mother of dance. Square dance originates from social life and comes from the people, who are the creators and performers of square dance.