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.
... and 17.6% have someone living alone who is 65 years of age or older. The average household size is 2.38 and the average family size is 3.02. In the town the population ...