Aerial photo taken on Aug. 11, 2022 shows a view of a hybrid rice seed production base in Zhouping Village of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province. (Xinhua/Yang Ying)

　　Aerial photo taken on Aug. 11, 2022 shows reapers harvesting hybrid rice seeds at a hybrid rice seed production base in Zhouping Village of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province. (Xinhua/Yang Ying)

　　Aerial photo taken on Aug. 11, 2022 shows reapers harvesting hybrid rice seeds at a hybrid rice seed production base in Zhouping Village of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province. (Xinhua/Yang Ying)

　　A reaper harvests hybrid rice seeds at a hybrid rice seed production base in Zhouping Village of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Aug. 11, 2022. (Photo by Yang Yun/Xinhua)

　　Villagers harvest hybrid rice seeds at a hybrid rice seed production base in Zhouping Village of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Aug. 11, 2022. (Xinhua/Yang Ying)

　　A villager harvests hybrid rice seeds at a hybrid rice seed production base in Zhouping Village of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Aug. 11, 2022. (Photo by Luo Hui/Xinhua)