This photo taken on December 22, 2024 shows a flock of migrating birds flying above the wetlands at Yellow River Delta National Nature Reserve in Dongying, east China's Shandong province. The Yellow River Delta National Nature Reserve (YRDNNR) is a protected area in the city of Dongying, China, which covers wetland habitats on the shore of the Bohai Sea. (Photo by AFP Photo/China Stringer Network)
