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Along with global industrial and urban developments come problems such as air pollution and acid rain. The work has adopted the model relationship of figure and ground reversal to show problems of air pollution and acid rain caused by tall buildings and factories, which erode and damage the environment and ecology. Explanation is made on various problems caused by human beings in the pollution of natural environment by citing factories and the environment. As for abstract concepts, the model of figure and ground reversal, which has the effect of front-and-back illusion, is adopted to achieve conceptual presentation.