Table 7 The gravity centers of ancient cities from the late Yangshao to Xia and Shang Dynasties in the Central Plains region
Period | Displacement of the city center of gravity (km) | City moving direction |
|---|---|---|
Yangshao to Longshan period | 67 | Northwest–southeast |
Longshan period to Xia and Shang Dynasties | 49 | Southwest–northeast |