The Metro is an Underground public Space; it can be "a sixth architectural façade, " a hidden façade whose display would be interesting.

地铁作为一个地下公共空间， 能成为“第六个建筑立面“，一个被藏匿的立面，而它的显现也可能富有趣味性。

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Face to more and more underground public space of the city, we should make full use of it, so to DE - sign a good underground entrance is very important.

面对城市中越来越多的地下公共空间，我们必须充分加以利用，作好地下空间的入口设计至关重要。

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In the history of human, underground space has already developed in different levels, in particular, western developed countries have obtained better grade on developing underground public space.

在整个人类文明的历史中，对地下空间已经有不同程度的开发，特别是西方发达国家更是在地下公共空间开发上取得了较好成绩。

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