A Miao girl offers tea to customers during the First China International Tea Expo in Hangzhou, Zhejiang Province on May 18, 2017. (Photo: CFP)

RABAT, Nov. 29 (Xinhua) -- The United Nations Educational, Scientific and Cultural Organization (UNESCO) has inscribed here on Tuesday "Traditional Tea Processing Techniques and Associated Social Practices in China" on the Representative List of the Intangible Cultural Heritage of Humanity.