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A staff member of the Qinghai Lake National Nature Reserve Bureau records observational data on the Bird Island of Qinghai Lake in Northwest China's Qinghai province, April 29, 2014. The Qinghai Lake, China's largest inland salt water lake, is a habitat for over 400,000 birds every year. Video monitoring system and database platforms were established here for relevant research work.[Photo/Xinhua] |
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