A fisherman paddles in Chaohu Lake of Hefei, east China's Anhui Province, July 30, 2015. Blue-green algae expanded rampantly in Chaohu Lake due to the temperature got warmer recently. (Photo: Xinhua/Yang Xiaoyuan)
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A fisherman paddles in Chaohu Lake of Hefei, east China's Anhui Province, July 30, 2015. Blue-green algae expanded rampantly in Chaohu Lake due to the temperature got warmer recently. (Photo: Xinhua/Yang Xiaoyuan)