What do you mean by land of water, land of plenty and land of plenty?

The Yangtze River Delta is a purely natural geographical area, limited to the east of Zhenjiang, Jiangsu, the south of Toarey Yang Canal and the north of Hangzhou Bay, Zhejiang. It is a part of the middle and lower reaches of the Yangtze River, covering an area of 50,000 square kilometers, and is known as the "Water Town Zeguo". The land of abundance refers to the middle and lower reaches of the Yangtze River in China, because the eastern part of China is influenced by Xia Feng. ...