It's a group of people dancing together in a square dance what does it mean ah!

A group of people dancing together in a public **** place means. "Together with the square dance people" usually refers to the public *** places, such as squares, parks and other places collective square dance crowd, square dance is a form of fitness dance prevalent in mainland China, due to its easy to learn, suitable for a wide range of age groups, social and other characteristics, by many people's favorites and sought after.