London used to be history's famous "WuDou", from the middle of the twentieth century began, the British adopted a series of means to control air pollution. Although progress is slow, but after half a century of effort, finally let London took off "WuDou" hat. And include nanjing, more and more Chinese cities, the current is facing growing air pollution situation. Experts point out that, serious legislation and strictly enforce the law, scientific city planning and management, is the success of the first London pollution treatment for. All major cities in China should draw experience.
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