Raumlabor: The Latest Architecture and News

Concéntrico Festival 2026 will take place in Logroño, Spain, from June 18 to 23, transforming the city into a large-scale laboratory for architecture, design, and urban experimentation. Over six days, more than twenty interventions will be distributed across squares, vacant plots, streets, bridges, and emblematic spaces throughout the city, bringing together leading studios, researchers, and creators from the international scene, including Chilean architect Smiljan Radić, the raumlabor collective, Matilde Cassani, AAU Anastas, and Sahra Hersi, among others. This edition introduces a shift towards more collective, festive, and performative practices in public space, with a strong emphasis on sonic experiences and projects linked to accessibility, inclusion, and urban transformation. The programme is structured around three thematic axes: Identity and Fiction, Urban Ecologies, and Ephemeral Agents, ranging from architectures that understand public space as ritual or celebration to experimental approaches exploring materials, sound, and processes of reuse.

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Building above water means doing away with a part of construction that is quite literally the basis of most of our built environment: the foundation. In a world dominated by water, currents, and shifting levels are variables that simply cannot be ignored, which is why the most emblematic feature these projects share is their adaptability.

Instead of robust, deep bases – such as piles or caissons – designed to anchor architecture into the earth, floating structures frequently employ solutions like concrete pontoons or plastic drums to prevent the building from sinking. These are typically paired with anchoring systems to "fix" the structures, even if only temporarily, to a specific location.

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Concéntrico, the Spanish laboratory for urban innovation exploring new ways of inhabiting public space through temporary urban installations, presented the program for its upcoming edition on March 17th, along with its main lines of work for the 2025–2026 season. The festival invites architects, designers, artists, and researchers from different geographies to propose interventions that activate squares, streets, riverbanks, and vacant spaces in the city. This year's edition includes the participation of Smiljan Radić, the recently awarded Pritzker Architecture Prize laureate, who will develop a light, foldable, and temporary structure built from industrial plastic fabrics following the concept of a "poor circus." Another 26 teams, including three practices selected through the festival's international open calls, will intervene in Logroño's public space from June 18 to 23, 2026, with projects ranging from climate-responsive structures to ephemeral public space activations.

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In recent years, architecture has increasingly embraced adaptability, flexibility, and responsiveness as core design principles. This evolution reflects a shift from traditional notions of static, permanent structures to dynamic environments that can adjust to changing needs and conditions. Central to this transformation is the concept of "soft architecture", which leverages pliable materials and innovative systems to create spaces that are functional, sustainable, and user-centric. Soft architecture takes shape through membranes that breathe, façades that move, structures that inflate or fold, and surfaces that bend rather than break. It involves designing for transformation — not only in how a building performs environmentally, but also in how it can accommodate shifting functions, user interactions, or temporary occupations. This approach to building challenges traditional notions of durability and control, proposing instead a more responsive and open-ended architecture. It reflects a growing awareness that buildings, like the societies they serve, must be able to evolve.

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This article was originally published on Metropolis Magazine as "How a DIY Floating Universiity in Berlin Could Be An Unorthodox Prototype for Design Education."

On the north side of Tempelhofer Feld, an airport-turned-park in southern Berlin, lays a large ditch. Surrounded by lots and bungalows and noticeable only to those in the know, this 19th century basin holds rainwater drained from the airport’s defunct runways before it is fed into Berlin’s canal network.

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