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
Aerial photo taken on Aug. 1, 2019 shows the scenery of Guanting Reservoir National Wetland Park in Huailai County, north China's Hebei Province. (Xinhua/Xing Guangli)
Aerial photo taken on Aug. 1, 2019 shows the scenery of Guanting Reservoir National Wetland Park in Huailai County, north China's Hebei Province. (Xinhua/Xing Guangli)