More than 1 million kilograms of fish have died since Wednesday in the Mazitan Reservoir in Suining, Sichuan Province as a result of a sudden drop in temperature. The city suffered a heavy drought this summer, with temperatures hovering at more than 40 C for weeks, but they dropped to 20 C on Wednesday. The dramatic temperature change has caused a reduction of the oxygen in the water, leading to the death of the fish, according to the local environmental monitoring bureau. [Xinhua]

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