Photo taken on April 13, 2016 shows a worker cleaning the garbage floating on the surface of the water reserve at the upstream of the Lechangxia Dam, located south China's Guangdong province. (Photo/Xinhua)
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Photo taken on April 13, 2016 shows a worker cleaning the garbage floating on the surface of the water reserve at the upstream of the Lechangxia Dam, located south China's Guangdong province. (Photo/Xinhua)