Aerial photo taken on Dec. 8, 2018 shows mountain areas in Wa Autonomous County of Ximeng, southwest China's Yunnan Province. Some 65.25 percent of the county has been covered by forests. (Xinhua/Yang Zongyou)

Aerial photo taken on Dec. 8, 2018 shows mountain areas shrouded in cloud in Wa Autonomous County of Ximeng, southwest China's Yunnan Province. Some 65.25 percent of the county has been covered by forests. (Xinhua/Yang Zongyou)