Scenery of Kunlu Mountain in Ning'er County, SW China's Yunnan

A visitor examines an old tea tree on the Kunlu Mountain in Ning'er County, southwest China's Yunnan Province, Dec. 1, 2019. More than 10,000 mu (about 667 hectares) of old tea trees are growing in the Kunlu Mountain in Ning'er County, serving as a local pillar industry. (Xinhua/Yang Zongyou)