The Dong a k a Dong a Kam–Sui people of southern China are one of the 56 ethnic groups officially recognized by the People 39s Republic of China They are famed for their nativebred Kam Sweet Rice Chinese carpentry skills and unique architecture in particular a form of covered bridge known as the quotwind and The Dong a k a Dong a Kam–Sui people of southern China are one of the 56 ethnic groups officially recognized by the People 39s Republic of China They are famed for their nativebred Kam Sweet Rice Chinese carpentry skills and unique architecture in particular a form of covered bridge known as the quotwind and