Known as China's national opera, Peking Opera, which originated in the late 18th century, is a synthesis of music, dance, art and acrobatics. It is the most influential and representative of all operas in China.Based upon traditional Anhui Opera, it has also adopted repertoire, music and performing techniques from Kun Opera and Qingqiang Opera as well as traditional folk tunes in its development, eventually forming its own highly stylized music and performing techniques.Peking Opera can be divided into "civil" pieces, which are characterized by singing, and "martial" ones, which feature acrobatics and stunts. Some operas are combination of both.