The ball on the beach, fat, wobbly, swaying from side to side. The four forms of penguin dance are the ball on the beach, the fat body, and the swinging from side to side. Swan dance is a kind of dance, imitating the walking and activities of animal penguins. The early corporate dance was group dance, with DJ music from Europe and America. By 2022, it has developed into a public square fitness dance in China.