A teacher demonstrates tea making skills at a primary school in Lishan town in Fuyang district of Hangzhou, East China's Zhejiang province, May 20, 2022. Lishan Town held a series of activities to promote the traditional Chinese tea culture and greet the International Tea Day, which falls on May 21 annually. [Photo/Xinhua]

A primary school student learns to perform tea art in Lishan town in Fuyang district of Hangzhou, East China's Zhejiang province, May 20, 2022. Lishan Town held a series of activities to promote the traditional Chinese tea culture and greet the International Tea Day, which falls on May 21 annually. [Photo/Xinhua]

Kids of a kindergarten perform a show displaying tea culture in Lishan town in Fuyang district of Hangzhou, East China's Zhejiang province, May 20, 2022. Lishan Town held a series of activities to promote the traditional Chinese tea culture and greet the International Tea Day, which falls on May 21 annually. [Photo/Xinhua]

Students experience tea making at a primary school in Lishan town in Fuyang district of Hangzhou, East China's Zhejiang province, May 20, 2022. Lishan Town held a series of activities to promote the traditional Chinese tea culture and greet the International Tea Day, which falls on May 21 annually. [Photo/Xinhua]

Kids of a kindergarten perform a show displaying tea culture in Lishan town in Fuyang district of Hangzhou, East China's Zhejiang province, May 20, 2022. Lishan Town held a series of activities to promote the traditional Chinese tea culture and greet the International Tea Day, which falls on May 21 annually. [Photo/Xinhua]