VOV.VN - The Cho Ro ethnic group (also called the Châu Ro or Giơ Ro) numbers about 30,000 people, who live mainly in Dong Nai, Binh Duong, Binh Phuoc, and Ba Ria-Vung Tau province. The Cho Ro boast a rich cultural heritage, in which the Goong Cla stands out as a unique musical instrument.