Archeologists work at the relics site of the Xiongjialing Dam in Jingmen, central China's Hubei Province, Dec. 4, 2023. The Xiongjialing Dam, which was initially built around 5,100 years ago, is part of the Qujialing relics site in the city of Jingmen, central China's Hubei Province. The dam, complete with a reservoir and spillway, has been identified as China's earliest known water conservancy project.(Photo: Xinhua)
Archeologists work at the relics site of the Xiongjialing Dam in Jingmen, central China's Hubei Province, Dec. 4, 2023. The Xiongjialing Dam, which was initially built around 5,100 years ago, is part of the Qujialing relics site in the city of Jingmen, central China's Hubei Province. The dam, complete with a reservoir and spillway, has been identified as China's earliest known water conservancy project.(Photo: Xinhua)
Archeologists work at the relics site of the Xiongjialing Dam in Jingmen, central China's Hubei Province, Dec. 4, 2023. The Xiongjialing Dam, which was initially built around 5,100 years ago, is part of the Qujialing relics site in the city of Jingmen, central China's Hubei Province. The dam, complete with a reservoir and spillway, has been identified as China's earliest known water conservancy project.(Photo: Xinhua)
Archeologists work at the relics site of the Xiongjialing Dam in Jingmen, central China's Hubei Province, Dec. 4, 2023. The Xiongjialing Dam, which was initially built around 5,100 years ago, is part of the Qujialing relics site in the city of Jingmen, central China's Hubei Province. The dam, complete with a reservoir and spillway, has been identified as China's earliest known water conservancy project.(Photo: Xinhua)