Utilizing Natural Factors to Produce Good Underground Space Environment

On the purpose of producing a good underground space environment the utilization of various natural factors, such as natural light, exterior landscape, green plant' and fountain-waterfall system, and the consideration of introducing water into the underground are presented in this paper. Also the effect of the utilization upon ecologic environment of underground space, especially the positive influence upon people's psychology, is analysed, and the way of utilizing the natural factors in underground space is discussed.