THE LAST INTERIOR begins from the recognition that after ecological collapse, architecture can no longer begin with form. When the ground is contaminated, the air unbreathable, and the outside incapable of sustaining life, the traditional relationship between building and environment dissolves. Architecture can no longer design space within the world; it must construct a world within space.
The project proposes a civic habitat embedded beneath a dead surface, where the interior becomes the primary condition of existence. It is not conceived as a bunker or an escape, but as an artificial environment in which life is actively sustained, continuously maintained, and collectively organized. The goal of the project is to redefine architecture as a complete ecological system capable not only of protecting life, but of enabling it to persist with dignity, continuity, and shared civic meaning.
The project is organized as a layered subterranean section in which each stratum performs a critical role in the survival of the whole. A thick protective crust shields the habitat from radiation, toxicity, and extreme surface conditions. Beneath it, a transitional filter zone mediates between contamination and habitation through environmental control, technical regulation, and infrastructural buffering. Deeper still, the main civic interior unfolds as a dense and continuous inhabitable environment where living, learning, caring, cultivating, and gathering are reorganized under conditions of constraint.
Rather than separating everyday life from technical infrastructure, the project integrates them into one coherent architecture of continuity. Air is filtered and circulated, water is recovered and redistributed, food is cultivated through controlled systems, waste is transformed into resource, and energy is captured and protected. In this condition, every element of life is no longer assumed as background, but actively designed as part of the spatial and ecological logic of the habitat.
At the center of the project, a vertical light well introduces a controlled fragment of the outside. Light is no longer abundant or free, but rare, measured, and shared. It becomes both environmental resource and civic focus, structuring the collective interior around a calibrated source of orientation, time, and psychological continuity. THE LAST INTERIOR therefore proposes not architecture against catastrophe, but architecture after it: an interior civilization sustained by design, where survival is transformed into a new form of public life.
The project is designed as an earth-embedded post-catastrophe habitat composed of protective overburden, environmental filter layers, pressurized or controlled interior chambers, integrated cultivation systems, water recovery infrastructure, waste-to-resource loops, and centralized energy management. Its architectural system is based on a layered sectional organization in which shielding, life-support, technical operations, and civic occupation are coordinated into one compact and resilient structure. The main inhabitable spaces are positioned below the contaminated surface to ensure protection, thermal stability, and long-term environmental control.
Environmental performance is inseparable from the architecture itself. The protective crust provides shielding from radiation, toxicity, and climatic extremes, while intermediate technical layers regulate filtration, pressure, humidity, water storage, and air circulation. Interior food production and planted systems support oxygenation, psychological well-being, and partial resource autonomy. A vertical light well introduces controlled daylight deep into the habitat while maintaining environmental protection. Material logic emphasizes durability, redundancy, repairability, and closed-loop performance, allowing the project to function as a self-sustaining civic interior under extreme external conditions.