In 1825, Dongting Lake covered an area of 6,000 square kilometers; In 1949, Dongting Lake covered an area of 4,350 square kilometers; In 2015, Dongting Lake covered an area of 2,625 square kilometers.

In 1825, Dongting Lake covered an area of 6,000 square kilometers;

In 1949, Dongting Lake covered an area of 4,350 square kilometers;

In 2015, Dongting Lake covered an area of 2,625 square kilometers.

As the largest freshwater lake in China, Dongting Lake originally had the function of storing water. The wetlands next to the freshwater lakes are the best "buffer period", which can store water during dry seasons and buffer during wet seasons.

But the hard-working Chinese, taking advantage of the dry season, cultivated the tuntian fields and gradually encroached on the Dongting Lake, turning large swaths of sparkling water into green farmland and dotted villages.

In 2022, the state spent 8.5 billion yuan to repair key dams in Dongting Lake, including Huarong City Defense.

Although the Dongting Lake breach was a serious natural disaster, the peasants also had an unshirkable responsibility for encircling the lake and tuntian.

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