Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)
Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)
Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)
Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)
Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)
Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)
Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)
Birds at a wetland in Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Northwest China's Qinghai Province, Jan. 9, 2019. The wetland is an ideal habitat for wild birds, which in turn attract large numbers of photographers. (Photo: China News Service/Zhu Guifu)