Curlews fly over the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Curlews forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Egrets forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Two curlews forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Curlews and egrets forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Egrets forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
An osprey flies over the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Egrets forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
A greenshank forages on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Curlews forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Sanderlings forage on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
Egrets rest on the beach in Guangcun Town in Danzhou, south China's Hainan Province, Oct. 12, 2019. As the temperature drops in north China, migratory birds headed southward and arrived in Hainan to spend the winter. [Photo/Xinhua]
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