![](http://www.ecns.cn/hd/2022/08/08/27b5284439be43a09f5b89be59693aa4.jpg)
Aerial view shows the Yanchen City Ruins Park, the most well preserved ruin site of the Spring and Autumn Period (770B.C-221B.C)in China, Changzhou, east China's Jiangsu Province, Aug. 7, 2022. (Photo: China News Service/Yangbo)
The ruin site has a unique structure of three cities and three rivers interwoven with each other.
![](http://www.ecns.cn/hd/2022/08/08/a591215141664aeeaa82e9e99db0d86e.jpg)
Aerial view shows the Yanchen City Ruins Park, the most well preserved ruin site of the Spring and Autumn Period (770B.C-221B.C)in China, Changzhou, east China's Jiangsu Province, Aug. 7, 2022. (Photo: China News Service/Yangbo)
![](http://www.ecns.cn/hd/2022/08/08/a3f5739615824fba91d9550a0639689a.jpg)
Aerial view shows the Yanchen City Ruins Park, the most well preserved ruin site of the Spring and Autumn Period (770B.C-221B.C)in China, Changzhou, east China's Jiangsu Province, Aug. 7, 2022. (Photo: China News Service/Yangbo)
![](http://www.ecns.cn/hd/2022/08/08/2e4a325df36547a0bfaf45856cd2c527.jpg)
Aerial view shows the Yanchen City Ruins Park, the most well preserved ruin site of the Spring and Autumn Period (770B.C-221B.C)in China, Changzhou, east China's Jiangsu Province, Aug. 7, 2022. (Photo: China News Service/Yangbo)
![](http://www.ecns.cn/hd/2022/08/08/1a50ccb4091a40179da4f1cf2a030a23.jpg)
Aerial view shows the Yanchen City Ruins Park, the most well preserved ruin site of the Spring and Autumn Period (770B.C-221B.C)in China, Changzhou, east China's Jiangsu Province, Aug. 7, 2022. (Photo: China News Service/Yangbo)