High-tech bird watchers at Qinghai
(chinadaily.com.cn) Updated: 2013-05-17 10:09
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Workers install electronic surveillance equipment to monitor migratory birds along Qinghai Lake, the largest salt water lake in 皇冠体育app, May 12, 2013. More than 100,000 birds gather at the lake from the south every year and the monitoring system will check for epidemics and environmental protection. [Photo/Xinhua] |
