Excavation work is underway at the Xiawangdu Ruins in Ningbo City, East China’s Zhejiang Province, Sept. 6, 2017. The core area of Xiawangdu Ruins is 9,500 square meters and dates back 5,800 years to the Neolithic Age. Hundreds of relics have been found in the first stage of excavation, including artifacts made of pottery, stone and bone. (Photo/VCG)
