A farmer picks tea leaves at a tea garden in Zhiyaoping Village of Xuan'en County, central China's Hubei Province, Feb. 19, 2020. (Photo by Song Wen/Xinhua)

Photo taken on Feb. 19, 2020 shows freshly picked tea leaves at a tea garden in Zhiyaoping Village of Xuan'en County, central China's Hubei Province. (Photo by Song Wen/Xinhua)

Photo taken on Feb. 19, 2020 shows a tea garden in Zhiyaoping Village of Xuan'en County, central China's Hubei Province. (Photo by Song Wen/Xinhua)

Farmers pick tea leaves at a tea garden in Zhiyaoping Village of Xuan'en County, central China's Hubei Province, Feb. 19, 2020. (Photo by Song Wen/Xinhua)