An aerial drone photo taken on July 18, 2025 shows villagers picking water chestnuts in Taizhou, east China's Jiangsu Province. (Photo by Gu Jihong/Xinhua)

An aerial drone photo taken on July 21, 2025 shows villagers picking water chestnuts in Taizhou, east China's Jiangsu Province. (Photo by Tang Dehong/Xinhua)

(250721) -- HAIAN, July 21, 2025 (Xinhua) -- This photo taken on July 21, 2025 shows villagers picking water chestnuts in Haian, east China's Jiangsu Province. (Photo by Zhou Qiang/Xinhua)

An aerial drone photo taken on July 21, 2025 shows villagers picking water chestnuts in Huaian, east China's Jiangsu Province. (Photo by Yin Chao/Xinhua)