A staff member stirs and roasts tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　A staff member stirs and roasts tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　Staff members pick and sort fresh tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　A staff member stirs and roasts tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Li Bo)

　　An aerial drone photo taken on March 20, 2024 shows a tea garden in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　An aerial drone photo taken on March 20, 2024 shows tea farmers picking tea leaves at a tea garden in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　A staff member picks and sorts fresh tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Li Bo)

　　Staff members pick and sort fresh tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Li Bo)

　　A tea farmer picks tea leaves at a tea garden in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 20, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Li Bo)

　　A staff member stirs and roasts tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　This photo taken on March 19, 2024 shows the Biluochun tea leaves after roasting in Suzhou, east China's Jiangsu Province. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　Staff members stir and roast tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Li Bo)

　　Staff members pick and sort fresh tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)

　　A staff member picks and sorts fresh tea leaves at a tea factory in Jinting Town of Wuzhong District, Suzhou, east China's Jiangsu Province, March 19, 2024. Harvest season for Biluochun, one of the top tea varieties in China and the speciality of Suzhou, has recently arrived. Local tea farmers have been busy in harvesting and processing Biluochun tea leaves to meet the market demand. (Xinhua/Ji Chunpeng)