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)
An archeologist works at the discovery site in Yancheng, east China's Jiangsu Province. (Photo provided to China News Service)
An archeologist works at the discovery site in Yancheng, east China's Jiangsu Province. (Photo provided to China News Service)
Archeologists work at the discovery site in Yancheng, east China's Jiangsu Province. (Photo provided to China News Service)