China's oldest city-state] How many years ago did the ancient city where this stone column array was located appear?

The oldest city-state in China is Liangzhu Ancient City, which appeared 5,300 years ago.

Liangzhu ancient city site is one of the most important archaeological sites in the late Neolithic period in China, located in Yuhang District, Hangzhou City, Zhejiang Province. The total area of the site is 100 square kilometer, including the core area of Liangzhu ancient city, water conservancy system, altar cemetery and peripheral suburbs.

The site of Liangzhu ancient city is from 5300 to 4300 years ago, and it developed continuously for about 1000 years, belonging to the archaeological culture in the late Neolithic period. The social structure of this period is more complicated, and there has been obvious social division of labor and class differentiation.

Liangzhu ancient city not only has a stone column array, but also found many extremely beautiful jade articles. In the area where Liangzhu culture is distributed, 136 sites have been discovered, including more than 300 high-level cemeteries, altars, jade ritual vessels and large palaces.

Site characteristics

The Xiao Pi water conservancy system around the site of Liangzhu Ancient City is located in the northwest and north of Liangzhu Ancient City, and consists of natural mountains. The dam site 1 1 is mainly built in the valley mouth between two mountains.

It is divided into two groups, namely, the South Low Dam Group composed of Tangshan, Lion Mountain, Liyushan, Guanshan and Wutonglong, and the North High Dam Group composed of Ganggongling, Laohuling, Zhoujiafan, Qiuwu, Shiwu and Bee Lane, which constitute the front and rear protection system.

According to the preliminary archaeological understanding, Xiaoxiao water conservancy system has the functions of flood control, transportation, water use and irrigation, which is related to the economic and social development of Liangzhu cultural site.

From June 5, 2006 to June 5, 2006, experts confirmed that the water conservancy system outside Liangzhu Ancient City in Hangzhou was the earliest large-scale water conservancy project in China and the earliest dam system (not the earliest dam) in the world, which was 4700 to 5 100 years ago.

Refer to the above content: Baidu Encyclopedia-Liangzhu Ancient City Site