People taste tea from Azerbaijan during an International Tea Day celebration event in the headquarters of the Food and Agriculture Organization of the United Nations (FAO) in Rome, Italy, May 21, 2026. International Tea Day is observed on May 21 annually. (Photo: Xinhua)

A woman takes a look at Russian tea during an International Tea Day celebration event in the headquarters of the Food and Agriculture Organization of the United Nations (FAO) in Rome, Italy, May 21, 2026. International Tea Day is observed on May 21 annually. (Photo: Xinhua)

Tea from Azerbaijan is pictured during an International Tea Day celebration event in the headquarters of the Food and Agriculture Organization of the United Nations (FAO) in Rome, Italy, May 21, 2026. International Tea Day is observed on May 21 annually. (Photo: Xinhua)

A woman drinks tea during an International Tea Day celebration event in the headquarters of the Food and Agriculture Organization of the United Nations (FAO) in Rome, Italy, May 21, 2026. International Tea Day is observed on May 21 annually. (Photo: Xinhua)

People drink tea during an International Tea Day celebration event in the headquarters of the Food and Agriculture Organization of the United Nations (FAO) in Rome, Italy, May 21, 2026. International Tea Day is observed on May 21 annually. (Photo: Xinhua)

A woman takes a look at Russian tea during an International Tea Day celebration event in the headquarters of the Food and Agriculture Organization of the United Nations (FAO) in Rome, Italy, May 21, 2026. International Tea Day is observed on May 21 annually. (Photo: Xinhua)

A woman takes a look at introductions of Chinese tea during an International Tea Day celebration event in the headquarters of the Food and Agriculture Organization of the United Nations (FAO) in Rome, Italy, May 21, 2026. International Tea Day is observed on May 21 annually. (Photo: Xinhua)