The study of smoke cloud from stack of 100 and 43 meters height were completed by three different processes at same time in Qing Shui Tang industrial district of Zhuzhou city in Hunan Province.

在株洲市清水塘工业区，同时使用三种方法对100米和43米烟囱的烟云进行实验工作。

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Landscape painting, known as "Shan Shui painting"in Chinese traditional, is an important subject in ancient Chinese painting and even became the main trend in Yuan, Ming and Qing Dynasty.

风景画在古代被称为山水画，山水画在中国古代绘画中是一个重要的科目，在元明清甚至成为绘画的主流。

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