A farmer operates a machine to plough fields in Shimen Village, Siba Township, Luocheng Mulao Autonomous County, south China's Guangxi Zhuang Autonomous Region, Feb. 19, 2024. Farmers across China are busy with agricultural production as the day of Yushui (Rain Water), the second of the 24 solar terms in the Chinese lunar calendar, came on Monday this year. (Photo by Wei Rudai/Xinhua)

An aerial drone photo taken on Feb. 19, 2024 shows farmers operating machines to plough fields in Shichuan Village, Guan'ge Township, Guang'an City of southwest China's Sichuan Province. Farmers across China are busy with agricultural production as the day of Yushui (Rain Water), the second of the 24 solar terms in the Chinese lunar calendar, came on Monday this year. (Photo by Zhang Qifu/Xinhua)

An aerial drone photo taken on Feb. 19, 2024 shows farmers picking plum flowers for perfume making at a garden in Changxing County, east China's Zhejiang Province. Farmers across China are busy with agricultural production as the day of Yushui (Rain Water), the second of the 24 solar terms in the Chinese lunar calendar, came on Monday this year. (Photo by Tan Yunfeng/Xinhua)

Farmers work in fields in Jiaji Township, Qionghai City of south China's Hainan Province, Feb. 19, 2024. Farmers across China are busy with agricultural production as the day of Yushui (Rain Water), the second of the 24 solar terms in the Chinese lunar calendar, came on Monday this year. (Photo by Meng Zhongde/Xinhua)