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A general view shows ships in the algae-filled Chaohu Lake in Hefei, East China's Anui Procince, June 11, 2007.Environmental experts and officials are closely monitoring the potentially harmful algae bloom in Chaohu Lake, China's fifth largest freshwater lake, for signs of a massive bloom in the hot and arid weather, Xinhua said.[China Foto Press] Related: Algae spans five sq km in east China lake

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