Workers at Zhang Huichun's tea plantation make Wuyi Tea in Wuyishan City, East China's Fujian Province, May 1, 2018. Zhang is a master of the ancient techniques used to make Wuyi Tea, a variety of oolong tea grown in the Wuyi Mountains. The tea-making craft, dating back to the Han Dynasty (206 BC - 220AD), has been recognized as a national intangible heritage with Zhang as the official inheritor. (Photo: China News Service/Zhang Lijun)
