In a recent archaeological excavation of Wangjinglou heritage site in Xinzheng City of Henan Province, Zhengzhou Academy of Cultural Relics and Archaeology accidentally discovered two large-scale ancient city ruins from the Xia and Shang dynasties with a total area of nearly 1.7 million square meters.

Photo, taken on Jan. 12, shows reporters photographing and interviewing at the Wangjinglou heritage site. (Photo by Xinhua/Zhao Peng)

According to archaeologists' initial speculation, the city from the Xia period might have been the capital of a kingdom, while the city in Shang period might have been an important garrison town.