Square dance is the most huge system in the art of dance, because more than in the square gathered and named, melting self-entertainment and performance as one, to collective dance as the main form of performance, to fitness as the main purpose. Including Jiamusi dance, dam dance, sailor dance and so on.
Square dance is a rhythmic dance performed by residents spontaneously for fitness purposes in squares, courtyards, dams and other open spaces, usually accompanied by high-decibel, rhythmic music accompaniment."