The ancient city of Liangzhu is located in Zhejiang, China. It is the first Neolithic city site discovered in the lower reaches of the Yangtze River in China. The site consists of 4 parts: Yaoshan site area, Gukou high dam area, plain low dam area and city site area. These sites have become outstanding examples of early urban civilisation through the social hierarchy embodied in large earthen buildings, urban planning, water conservancy systems, and different forms of tombs. The outer water conservancy system of Liangzhu Ancient City is the earliest known large-scale water conservancy project in China and the earliest dam system in the world. Therefore, the Liangzhu site is of great significance for understanding human development and Chinese civilisation. Liangzhu Cultures age is 5300-4300 years ago, and it has continued to develop for about 1,000 years. It represents the highest achievement of rice farming in the original stage of Chinese civilisation and empirical evidence of the 5,000-year continuation of Chinese civilisation.