A staff member shows an air monitoring equipment to children during an open day activity at the environmental monitoring center in Dalian, northeast China's Liaoning Province, June 5, 2017. Monday marks the World Environment Day, on which various activities are held across China to call for environment protection. (Xinhua/Zhang Chunlei)
Activities held across China on World Environment Day
Source: Xinhua| 2017-06-05 21:44:43|Editor: An
KEY WORDS: environment
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