The Chinese phrase Four Great Ancient Capitals of China (中国四大古都 pinyin zhong1 guo2 si4 da4 gu3 du1) refers to Nanjing, Beijing, Xi'an, and Luoyang.
... age of 18 living with them, 58.8% are married couples living together, 12.8% have a female householder with no husband present, and 24.0% are non-families. 19.0% of all ...