2. Qinling-Huaihe Line is the geographical dividing line between north and south of China. There are obvious differences between the two sides of the line in natural conditions, agricultural production methods, geographical characteristics and people's living customs. In addition, the Qinling-Huaihe line is also the dividing line of 800 mm annual precipitation line, the dividing line of humid area and semi-humid area, the dividing line of 1℃ isotherm and the dividing line of central heating in winter in China, which has a special position in China's geography.
Wuhu is a prefecture-level city in Anhui Province, located in the southeast of Anhui Province and in the hinterland of the Yangtze River Delta. Wuhu terrain is high in the south and low in the north, with irregular and narrow terrain; Wuhu's climate belongs to subtropical humid monsoon climate, with abundant sunshine, and precipitation is mainly concentrated in spring, rainy season and early winter, with four distinct seasons.