Why do you say that Yunnan is not three feet flat, and it will not be sunny for three days?

The reason why the land is not three feet flat is that the landform of Guizhou Province can be divided into three basic types: plateau mountains, hills and basins, of which mountains and hills account for 92.5%. 92.5% of the area is mountainous and hilly. The territory is mountainous, mountainous and undulating, with high mountains and deep valleys.

There are no three sunny days because Guizhou is influenced by atmospheric circulation and topography, and its climate is diverse. "One mountain is divided into four seasons, and ten miles are different." It's not sunny for three days, and there is no three miles underground. Describe the changeable and rainy weather and rugged mountain roads in central Guizhou.

Extended data:

aquatic environment

Rivers in Guizhou are located in the ecotone between the upper reaches of the Yangtze River and the Pearl River, and 69 counties belong to the Yangtze River Shelterbelt Reserve, which is an important ecological barrier between the upper reaches of the Yangtze River and the Pearl River. The water system of the whole province is divided into three parts: the west and the middle to the north, the east and the south.

Miaoling is the watershed between the Yangtze River and the Pearl River, belonging to the Yangtze River Basin in the north, with a basin area of 1 15747 square kilometers, accounting for 66. 1% of the province's land area. The main rivers are Wujiang River, Chishui River, Qingshui River, Hongzhou River, Wuyang River, Jinjiang River, Songtao River, Songkan River, Niulan River and Hengjiang River.

Baidu encyclopedia-Guizhou