Thesis (M. Arch.)--Massachusetts Institute of Technology, Dept. of Architecture, 1994.Includes bibliographical references (p. 77-82).A thesis is about what architecture can be. In my thesis I propose that urban infrastructure built in the late nineteenth-century, can be the foundation for urban public space in the late twentieth-century. I propose that by exploring the value inherent in an existing structure, or fragment thereof, we can derive reasons to retain and perhaps add to that structure, all for the enrichment of the urban environment. The why is the value of the artifact. To explore the possible valuations of the urban artifact I have studied various theories of the ruin, monuments, and their role in urban culture. Writings by Aloi...