![](http://www.ecns.cn/hd/2022/11/29/f9372dda518a49b594f5c6a3af07ab57.jpg)
Photo released on Nov. 29, 2022 shows copper coins excavated from an ancient coin kiln dating back to Song Dynasty (960-1279) in Yancheng, east China's Jiangsu Province. Over 1.5 tons of ancient copper coins were discovered in Jiangsu. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2022/11/29/9f17f92205de4d1f8a4b9fc44870898e.jpg)
An archeologist works at the discovery site in Yancheng, east China's Jiangsu Province. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2022/11/29/30f8ee1ce7584898b56d4d180d28c048.jpg)
An archeologist works at the discovery site in Yancheng, east China's Jiangsu Province. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2022/11/29/11a5e204e16d47ebaf8f37745d04b042.jpg)
Archeologists work at the discovery site in Yancheng, east China's Jiangsu Province. (Photo provided to China News Service)