
Teacher Chen Danni (3rd R) instructs foreign students to distinguish tea varieties at Wuyi college in Wuyishan, southeast China's Fujian Province, April 14, 2017. (Xinhua/Jiang Kehong)

Teacher Chen Danni (3rd R) instructs foreign students to distinguish tea varieties at Wuyi college in Wuyishan, southeast China's Fujian Province, April 14, 2017. (Xinhua/Jiang Kehong)