GUIYANG, July 4, 2025 A forest ranger checks the nutrient bag of a tree at the Changpoling Forest Farm in Guiyang, southwest China's Guizhou Province, July 1, 2025.. The forest farm, established in 1914, covers over 800 hectares. For over a century, forest rangers at the farm have dedicated themselves to planting trees and guarding the woodland. . It is a national-level forest park in Guiyang and serves as a key part of a green belt circling the city. (Credit Image: © Yang Wenbin/Xinhua via ZUMA Press)