Introduction to Jiulong Pine: Located on the top of Longgu Mountain deep in Shiwandashan National Forest Park, it is green all year round. Jiulong Pine has nine thick branches 1 meter away from the root. The waist circumference of the root is about 7 meters, and the branches are also It takes both arms to hug it. The branches are green and powerful, just like a nine dragon looking at the forest sea, and it is magnificent. According to the research of root forest experts, Jiulong pine is thousands of years old and can be called the "king of trees" in Shiwan Mountain.