The article presents the fascinating story of the narrowest sidewalk in Buenos Aires, found in the San Cristóbal neighborhood at the intersection of Humberto Primo and the beginning of Oruro passage. The sidewalk measures only 20 centimeters in width, roughly the size of a tile. Landscape designer Fabio Márquez explains that the unusual size and diagonal shape of this sidewalk can be attributed to the former garbage train route that passed through Oruro passage, which was connected to the former 11 de Septiembre Station and extended to the Riachuelo area.

Additionally, the story highlights how this little-known feature of the city provides insights into Buenos Aires's urban development and history, showcasing the remnants of infrastructure that have shaped the city's layout over time. Márquez’s description emphasizes the importance of understanding such unique urban artifacts which reflect both past usage and the evolution of city spaces.

The presence of this narrow sidewalk offers not only a glimpse into Buenos Aires's urban past but also raises questions about the preservation of historical features in modern cities. The article may inspire readers to explore their neighborhoods and appreciate the quirks of urban infrastructure that tell a story of functionality alongside city life.