![](http://www.ecns.cn/hd/2023/05/31/658fc2b449c247399902772ba6b4623a.jpg)
Photo released on May 30, 2023 shows a turquoise copper bird discovered at the Zhaigou ruins site in Qingjian County, Shaanxi Province. (Photo provided to China News Service)
Nine high-ranking tombs for the nobility in the late Shang Dynasty (1600-1046 B.C.), the largest of its kind found in the northern part of Shaanxi, were discovered at the Zhaigou ruins site.
![](http://www.ecns.cn/hd/2023/05/31/91a223cb54bb435c83d705c920eb5755.jpg)
Photo released on May 30, 2023 shows a copper relic discovered at the Zhaigou ruins site in Qingjian County, Shaanxi Province. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2023/05/31/4deccf1f54034d4faa71000793404d5c.jpg)
Photo released on May 30, 2023 shows a jade relic discovered at the Zhaigou ruins site in Qingjian County, Shaanxi Province. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2023/05/31/0b69183539be4c9998b61e8201267311.jpg)
Photo released on May 30, 2023 shows a pair of gold earrings discovered at the Zhaigou ruins site in Qingjian County, Shaanxi Province. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2023/05/31/410b7d52f193498094427ab268f4dbd5.jpg)
Photo released on May 30, 2023 shows a cultural relic discovered at the Zhaigou ruins site in Qingjian County, Shaanxi Province. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2023/05/31/c61dbc30c0a34ae8bbc874117af360aa.jpg)
Photo released on May 30, 2023 shows a cultural relic discovered at the Zhaigou ruins site in Qingjian County, Shaanxi Province. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2023/05/31/0d58b6e490124c63957e18a54b096a4a.jpg)
Photo released on May 30, 2023 shows a section of tortoise shell discovered at the Zhaigou ruins site in Qingjian County, Shaanxi Province. (Photo provided to China News Service)