The first expansion, the Song Dynasty Tri-Cities into one, saying that the Old City, circumference of 10.5 kilometers.

第一次扩建时，把宋代三城合而为一，称老城，周长10.5公里。

youdao

The first expansion, the Song Dynasty Tri-Cities into one, saying that the Old City, circumference of 10.5 kilometers.

第一次扩建时，把宋代三城合而为一，称老城，周长10.5公里。

youdao