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From Bologna to Mexico City: 8 Unbuilt Masterplans Reimagining Communities Through Regeneration and Design

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In today's architectural discourse, masterplanning is increasingly recognized as a means to reconcile growth with long-term social, cultural, and environmental priorities. Beyond organizing buildings and infrastructure, these large-scale proposals aim to regenerate urban fabrics, adapt historic or underutilized sites, and establish frameworks for inclusive and resilient communities. Submitted by the ArchDaily community, the projects featured in this edition of Unbuilt Architecture highlight how masterplans can respond to contemporary challenges while preparing cities for an uncertain future.

Spanning diverse geographies, from Europe to the Middle East and the Americas, the selected projects reinterpret industrial complexes, cultural sites, and residential neighborhoods through strategies that prioritize sustainability, mobility, and collective identity. Many share a focus on regenerative design: reopening historic canals, creating climate-adapted public spaces, and introducing green corridors and community hubs to reconnect people with their environments. Together, they showcase how masterplanning is evolving into a critical tool for rethinking how cities grow, adapt, and sustain civic life.

From Bologna to Mexico City: 8 Unbuilt Masterplans Reimagining Communities Through Regeneration and Design - 9 的图像 4From Bologna to Mexico City: 8 Unbuilt Masterplans Reimagining Communities Through Regeneration and Design - 22 的图像 4From Bologna to Mexico City: 8 Unbuilt Masterplans Reimagining Communities Through Regeneration and Design - 30 的图像 4From Bologna to Mexico City: 8 Unbuilt Masterplans Reimagining Communities Through Regeneration and Design - 38 的图像 4From Bologna to Mexico City: 8 Unbuilt Masterplans Reimagining Communities Through Regeneration and Design - More Images+ 45

Can We Build with Food? Circular Experiments at the Matter Matters Lab

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What does it mean to build with care, using what others leave behind? This question shapes the work of the Matter Matters Lab, an initiative founded by architect and researcher Catherine Söderberg Esper during the isolation of the pandemic. Drawing from experiences across cultures and motivated by a personal transformation during motherhood, Catherine began to investigate everyday waste as raw material for regenerative construction systems. Her first experiment involved gluing her own cut hair using white glue, initiating a radically intimate and handmade approach. Since then, the lab has focused on transforming organic waste into low-impact architectural materials, inspired by Indigenous knowledge systems and aiming to break from extractive models in construction. Projects like the Avocado Bricks, made from discarded avocado seeds, exemplify this approach of local, circular, and rooted in the idea of reciprocity between matter, place, and care, offering a new way of building with waste.

Buildner’s Museum of Emotions Competition Results: Architecture That Speaks Without Words

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Buildner has announced the results of its Museum of Emotions Competition Edition 6.

The Museum of Emotions is an annual international design competition that tasks participants with exploring the extent to which architecture can be used as a tool to evoke emotion. The brief calls for the design of a conceptual museum with two exhibition halls: one designed to induce negative emotions; the other designed to induce positive emotions. Participants are free to choose any site of their liking, real or imaginary, as well as choose the scale of the project. The meaning of 'positive' and 'negative' is up for interpretation: What two emotions might a designer consider contrasting? How might an architect conceive spaces which elicit fear, anger, anxiety, love or happiness?

The Museum of Emotions is a 'silent' competition: that is, participants must communicate ideas without text, and must use imagery alone. No form of text, whether design descriptions, annotations or even diagrammatic labels, is permitted.

The Future of Urban Development in Mongolia: Insights from the Hunnu City Design Competition

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Mongolia, the world's second-largest landlocked country, spans 1.5 million square kilometers. Yet, over 50% of its population—approximately 1.7 million people—reside in Ulaanbaatar, a city that occupies just 0.3% of the nation's total land area. This disproportionate population concentration has led to significant regional development imbalances and mounting urban challenges in the capital.

In response to these issues, Ulaanbaatar has undergone a series of comprehensive urban development initiatives. Since the first master plan was introduced in 1954, six such plans have been created. The latest, the Ulaanbaatar 2040 Master Plan, includes a strategic vision to decentralize urban growth through the development of two new satellite cities—one of which is the Hunnu City project.

Redefining Smart Buildings Through AI and Low-Carbon Innovation

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Humanity rarely embraces major transformations right away, often held back by fear, skepticism, or attachment to what already works. Gutenberg's press raised fears of misinformation; urban electrification drew warnings from doctors; and office computerization sparked concerns over the devaluation of human experience. Such ruptures often provoke resistance, but they tend to open space for critical reflection and innovation.

Today, with the rise of artificial intelligence and the rapid succession of technological innovations, we are living through another of these inflection points. The debate is broad, inevitable, and, as always, necessary. At the TRUE Conference 2025, hosted by Midea Building Technologies (MBT), this discussion takes on practical and strategic dimensions by linking digital advancements with tangible goals for sustainability, efficiency, and quality of life.

A Project That Brings Together Urban Mobility, Ceramic Technology and Public Art

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A Project That Brings Together Urban Mobility, Ceramic Technology and Public Art - 2 的图像 4
© Joanne Ly

The new Arden Station in Melbourne goes beyond its functional role as a transportation hub. Opened as a key component of the Metro Tunnel project, the station expands the city's rail infrastructure by relieving pressure on other lines and improving service frequency and, at the same time, establishes itself as a defining element in the urban transformation of Melbourne's northern precincts. Located on a former industrial site undergoing revitalization, it anchors the future development of a new district projected to accommodate up to 34,000 residents and 15,000 jobs in the coming decades.

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