Yichun City is located in the northeast of Heilongjiang Province, facing Russia across the river, and is named after Yichun River, a tributary of the Tang Dynasty. The boundary line is 249 kilometers long and covers an area of 390 17 square kilometers, belonging to the continental monsoon climate in the middle temperate zone. Yichun has the largest virgin forest of Korean pine in the world, which is called "natural oxygen bar". Known as "the forest capital of the motherland" and "the hometown of Korean pine". The city trees, flowers and birds in Yichun are Korean pine, Rhododendron Hinggan and woodpecker respectively. Since 2007, Yichun has successively won the titles of Top Ten Harmonious Cities in the World and Hometown of Natural Waters Drifting in China. Its famous scenic spots include Tangwanghe National Park, Wuying National Forest Park and Jiayin Dinosaur National Geological Park.