Geographic distribution of the chosen sites
| Regions | Sites from provincial capitals | Sites from other cities |
| East (Shanghai, Shandong Province, Zhejiang Province, Jiangsu Province) | 4 | 1 |
| West (Shaanxi Province, Sichuan Province, Chongqing Province, Yunnan Province) | 2 | 1 |
| South (Guangdong Province, Fujian Province, Guangxi Province) | 2 | 1 |
| North (Beijing, Tianjin, Liaoning Province, Jilin Province, Heilongjiang Province, Hebei Province) | 4 | 1 |
| Middle (Hubei Province, Hunan Province, Anhui Province, Henan Province, Jiangxi Province) | 3 | 1 |
| Total | 15 | 5 |