乐生活Seeing that Du Du Wei @Xing Lida has issued a map of "China’s Five-thousand-year Temperature Change Curve". It was originally redrawn on the basis of the graph published by 83-year-old scientist Zhu Kezhen in the first issue of the Archaeological Journal in 1972, "Preliminary Study of Climate Change in China over the Past Five-thousand Years".
The Preliminary Study of Climate Change in China in the Past 5000 Years is the most well-known in the field of history.full text
