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Architecture has never been confined to the act of building. It constantly negotiates between material practice and intellectual reflection, yet throughout the twentieth and twenty-first centuries, many architects felt that the built project alone was insufficient to address the full range of questions facing the discipline. Economic pressures, political contexts, and programmatic demands often narrowed the scope of practice.

Exhibitions and curatorial platforms, by contrast, created spaces of experimentation and critique, opening arenas where architecture could interrogate itself, where its past could be reinterpreted, its present challenged, and its future projected. In this tension, the figure of the architect-curator emerged, treating curating itself as a form of design — not of walls or facades, but of discourse, narratives, and frameworks of meaning.

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The Busan Slope Housing project by OMA addresses urban redevelopment on the steep hillsides of Busan, South Korea, drawing on the city's topographical complexity and historical settlement patterns. Developed in collaboration with the Busan Architecture Festival and the Department of Housing and Architecture, the project explores strategies to rethink hillside neighborhoods while responding to both contemporary housing needs and the social and spatial legacies of these areas. Rather than replacing these areas with conventional high-rise estates, OMA envisions a flexible, context-responsive framework that integrates contemporary housing typologies with the site's inherited structure.

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Thirty trillion tons. This is the estimated mass of all human-made matter on Earth, and the starting point for the 7th edition of the Lisbon Architecture Triennale. Curated by Ann-Sofi Rönnskog and John Palmesino, founders of Territorial Agency, the event asks a deceptively simple question: How heavy is a city? To answer it requires more than data. It demands a shift in perception: from the scale of the city to the planetary technosphere.

The technosphere, a term borrowed from Earth sciences, defines the vast system of infrastructures, technologies, and materials that sustain human life while reshaping the planet. Cities, in this view, are not only territories but dense nodes within this planetary metabolism. From October to December 2025, Lisbon becomes a lens to examine that magnitude, hosting three main exhibitions (Fluxes, Spectres, Lighter), a book of essays, a talks program, and more than twenty independent projects across the city.

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