(251113) -- DONGYING, Nov. 13, 2025 (Xinhua) -- An aerial drone photo taken on Nov. 13, 2025 shows a flock of migratory birds perching on the wetland at the Yellow River Delta National Nature Reserve in Dongying, east China's Shandong Province. This nature reserve serves as a critical stopover for millions of migratory birds along the East Asian-Australasian and West Pacific flyways. The reserve annually hosts more than 200 migratory bird species, who flock here to breed, stop over, or stay for the winter. (Xinhua/Zhu Zheng)
