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Two red-crested cranes fly over the reeds of the Yellow River Delta in East China's Shandong province, Dec 14, 2010. Many endangered birds in China, such as red-crested cranes and white cranes, migrate to the wetland for a warm winter in the delta, making it the best time for visitors to enjoy the splendor of thousands of birds in flight. [Photo/Asianewsphoto] |
