Zhang Ziquan (2nd R), the inheritor of the production techniques of Duyun Maojian Tea, teaches students the way to pick up tea leaves in Duyun, southwest China's Guizhou Province, May 27, 2015. The production techniques of Duyun Maojian Tea, a renowned subcategory of green tea, was listed as one of the intangible cultural heritages of Guizhou. (Xinhua/Chen Haining)
