One stone drill bit found at the Anhui site was only .15 millimeters wide about the same as a strand of hair.
Northern Anhui was part of the Shang dynasty kingdom.
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Paul Kekai Manansala
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Artifacts in Ancient Chinese City Reveal Superb Technology
Superb drilling technology and the world's earliest stone drill bits were found at site
Epoch Times Staff
Apr 01, 2006
[IMAGE] A worker looks over an excavation site. (Frederic J. Brown/AFP/Getty Images)
In Lingjiatan, Hanshan County of Anhui Province in China, archaeologists have discovered a primitive tribal site that was inhabited 5,000 years ago. Superb drilling technology and the world's earliest stone drill bits were found at the site. Archaeology professor Zhang Jingguo said there are still many mysteries in the Lingjiatan ruins waiting to be solved.
The Lingjiatan ruins are located in Lingjiatan Village, Tongzha Township of Hanshan County in Chaohu City, Anhui Province, covering about 1.5 million square meters. Archaeologists say the 5,000 year old city was probably a prosperous city with developed construction, animal husbandry and handicrafts. Prior to the discovery of the Lingjiatan ruins, the oldest city in China acknowledged by archaeologists was in Dantu Village in Wulian County at Rizhao City, Shandong Province, which was built more than 4,000 years ago.
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