This photo taken on Nov. 9, 2023 shows the control room of Sanhe gate of Hongze Lake in Huai'an, east China's Jiangsu Province. The Hongze Lake Irrigation System in eastern Jiangsu Province is a water storage irrigation area. Since the Eastern Han Dynasty (25-220), ancient people have diverted water for irrigation and farming. The irrigation system, which has been designated as World Heritage Irrigation Structures (WHIS) in 2023, nowadays keeps irrigating farmland. (Xinhua/Ji Chunpeng)
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