Red river valley, Honghe Prefecture, Yunnan Province. Red river valley, Yunnan is located in red river valley, Honghe Prefecture, Yunnan Province. The Red River originates in Yunnan, where it has two tributaries: Yuanjiang and Jiang Lixian. The red sand shale formation in the Red River basin is red in water, so it is also called the Red River. It flows through Chuxiong, Yuxi and Honghe and flows into Vietnam from Hekou County. When I first came to red river valley, I didn't go deep. The strata on both banks are really red, but the water is clear.

Yunnan Province, called Yun or Dian for short, is one of the 23 provinces in China, located in the southwest of China, with Kunming as its capital. It borders Guizhou and Guangxi in the east, Sichuan in the north, Tibet in the northwest, Myanmar in the west and Laos and Vietnam in the south. The total area of Yunnan Province is 394,438+0,000 square kilometers. By the end of 20 19, the permanent population of Yunnan province was 48.583 million, an increase of 288,000 compared with the end of 20 18. Yunnan province has a high terrain in the northwest and a low terrain in the southeast, which gradually decreases from north to south. It belongs to mountainous plateau topography, and the mountainous area accounts for 88.64% of the total area of the province. The terrain is bounded by Yuanjiang Valley and the wide valley in the southern section of Yunling Mountain Range, which is divided into two major terrain areas: east and west. The eastern and central Yunnan Plateau is a part of Yunnan-Guizhou Plateau, which is characterized by gently undulating low mountains and round hills. The mountains and valleys in the west alternate with each other, and the terrain is steep, forming a strange and magnificent mountain glacier landform. Yunnan province spans the Yangtze River, Pearl River, Yuanjiang River, Lancang River, Nujiang River and Daying River. Yunnan's climate basically belongs to subtropical and tropical monsoon climate, while northwest Yunnan belongs to plateau and mountain climate.