6,000-year-old defensive trench unearthed in China's Henan
This file photo shows a pottery of the Yangshao Culture, dating back 5,000 to 7,000 years, unearthed from the Suyang relics site in Yiyang County of Luoyang City, central China's Henan Province. A defensive trench dating back around 6,000 years has been discovered at the Suyang relics site, acco...
2023-03-02