Each of us has heard about such a sport as ball dancing. Currently, a huge number of kids and adults are fond of it. This kind of sport is a group of pair dances with the participation of a lady and a man. The name of this dance sport is associated with the venue for ballroom dancing competitions. At the first time of the appearance of such dances, it was possible to conduct them strictly in ballrooms with a flat floor lined with parquet. Today, a group of ballroom dances is called dancesport...