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Reimagining Urban Topography

  • Published : 2025.12.25

Abstract

Modern metropolises are built on a paradox. As they grow taller, they rely increasingly on the underground for structure, maintenance, delivery, and transportation. Yet, these two worlds are disconnected by a rigid, artificial barrier of asphalt and concrete. This paradox opens a space of opportunity for city development to find its new ground. This article argues that the ground must be reimagined not as a dividing line, but as a habitable volume. By expanding the threshold between the underground and the surface, we can create access to this overlooked world and develop new kinds of public space in an oversaturated city. Through an analysis of Manhattan's infrastructure layers and a design investigation at City Hall Park, this article proposes a "Threshold Membrane" - a porous urban topography that connects the civic realm with the depth of the city.

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References

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