Swans swim in Qinghai Lake
Swans swim in Qinghai Lake in northwest China's Qinghai Province. [Photo/Xinhua]
Swans swim in Qinghai Lake in northwest China's Qinghai Province. [Photo/Xinhua]
Swans swim in Qinghai Lake in northwest China's Qinghai Province. [Photo/Xinhua]
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Swans swim in Qinghai Lake in northwest China's Qinghai Province. [Photo/Xinhua]
Swans swim in Qinghai Lake in northwest China's Qinghai Province. [Photo/Xinhua]
Swans swim in Qinghai Lake in northwest China's Qinghai Province. [Photo/Xinhua]