A flock of migrant birds forage at the Lop Nur National Wetland Park in Yuli County, Bayingolin Mongolian Autonomous Prefecture, northwest China's Xinjiang Uyghur Autonomous Region. The number of migrant birds in the wetland park keeps rising as the eco-environment has improved in recent years. (Photo: China News Service/Wang Hanbing)
A flock of migrant birds forage at the Lop Nur National Wetland Park in Yuli County, Bayingolin Mongolian Autonomous Prefecture, northwest China's Xinjiang Uyghur Autonomous Region. The number of migrant birds in the wetland park keeps rising as the eco-environment has improved in recent years. (Photo: China News Service/Wang Hanbing)
A flock of migrant birds forage at the Lop Nur National Wetland Park in Yuli County, Bayingolin Mongolian Autonomous Prefecture, northwest China's Xinjiang Uyghur Autonomous Region. The number of migrant birds in the wetland park keeps rising as the eco-environment has improved in recent years. (Photo: China News Service/Wang Hanbing)
A flock of migrant birds forage at the Lop Nur National Wetland Park in Yuli County, Bayingolin Mongolian Autonomous Prefecture, northwest China's Xinjiang Uyghur Autonomous Region. The number of migrant birds in the wetland park keeps rising as the eco-environment has improved in recent years. (Photo: China News Service/Wang Hanbing)
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