As spring arrives, a wetland in China's Hunchun transforms into a breathtaking sanctuary for migratory birds. Among the visitors are the white-naped cranes, a rare species under first-class national protection in China.
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As spring arrives, a wetland in China's Hunchun transforms into a breathtaking sanctuary for migratory birds. Among the visitors are the white-naped cranes, a rare species under first-class national protection in China.
