空气污染真严重

之前某君回国探亲,返德后告诉我北京空气污染严重,以至于百米外的景物都看不清楚。我当时想这只不过是一时一地的情况。结果5号凌晨在飞机上俯视北京上空就看到污浊的一片,出机场后真的看不清远处的景物。再后来坐高铁回乡,沿途村镇都笼罩在一片浊雾中,简直让人背后发冷。如果说城市受建筑扬尘和汽车尾气影响,污染积久不散。乡镇空气污染又是什么原因?又听人说南方也是一样,实情未审。亲眼所见到的就够可怕了。

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