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Architecture is often understood as a matter of enclosure. Walls define space, separating interior from exterior and establishing clear limits. Yet across many projects in Latin America, this distinction becomes less precise. Rather than operating as closed objects, buildings often remain open, allowing air, light, and movement to pass through them.

This condition is tied to more than form. Across the region, architecture has long responded to climates marked by heat, humidity, strong solar exposure, and seasonal rainfall, as well as to building cultures shaped by adaptation, collective labor, and direct engagement with the environment. In these contexts, fully sealed interiors are not always the most effective response. Space is often organized through shade, ventilation, and intermediate zones that regulate rather than isolate.

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Using massive s plates, often several centimeters thick and weighing tons, Richard Serra's sculptures convey an almost improbable sense of lightness. This effect does not result from a reduction of mass, but from how that mass is organized: large curved surfaces tilt, narrow passages compress the body, and seemingly unstable elements create a constant sense of imbalance. Serra transforms weight into a dynamic spatial experience.

In architecture, lightness has occupied a central role at least since the modern period. While earlier traditions, such as Greek and Roman architecture, were closely associated with stability, and large churches with monumentality, the twentieth century introduced a decisive shift in how matter is handled, particularly through the separation of structure and enclosure.

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Three Brazilian projects have been chosen as the winners of the 2026 Obra do Ano Award by ArchDaily Brasil's readers. After three weeks of public voting, more than 700 projects were narrowed down to 15 finalists, concluding the process with three grand winners that represent the very best of Lusophone architecture.

Over the past two weeks, the ArchDaily Brasil community has nominated more than 14,000 projects, resulting in 15 finalists representing some of the most iconic architectural works published over the last year. Now in its 10th edition, the Obra do Ano Award recognizes the best of architecture in Portuguese-speaking countries, chosen by the readers themselves. The finalists offer a snapshot of the current state of architecture, spanning residential, urban, cultural, and other programs.

Representing Brazil and Portugal, the 15 projects reflect the needs of their specific contexts through creative solutions proposed by local architects. From interior renovations to large-scale urban interventions, and from single-family homes to community projects, the selection is diverse, yet united by a common thread: recognition from the public, who seek to see their own aspirations represented.

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Many of the spatial ideas we now associate with contemporary architecture, collective use, and bodily experience did not originate in buildings alone. In Latin America, these ideas were often explored first through art, at a moment when artists were actively questioning how space could be occupied, shared, and experienced beyond traditional forms.

During the mid-20th century, the region underwent rapid urbanization and profound social change. Architecture was increasingly expected to respond to public life, collectivity, and new ways of inhabiting space. At the same time, art offered a more flexible ground for experimentation, one less constrained by function, regulation, or permanence. As a result, many spatial questions were tested through artistic practices before becoming part of architectural thinking.

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Across South America, environmental comfort is understood not as an interior condition, but as one shaped through space. In regions marked by heat, humidity, intense sunlight, and seasonal variation, architecture has long relied on spatial decisions to moderate climate and support daily life. Comfort emerges from how interiors are opened, shaded, ventilated, and inhabited over time.

Rather than isolating interior spaces from their surroundings, many contemporary projects across the region cultivate comfort through depth, porosity, and intermediate zones. Light is filtered rather than maximized, air is guided through aligned openings and voids, and thresholds become active spaces of use rather than residual edges. These strategies do not seek uniform environmental control, but produce interiors that remain temperate, adaptable, and closely attuned to changing climatic conditions. In this context, environmental comfort becomes inseparable from spatial experience.

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There is not enough that can be said about the benefits of incorporating plants in interiors or Plantscaping. Integrating vegetation indoors serves many purposes, whether practical, aesthetic, or psychological. Although there are basic requirements for incorporating greenery into Homes, well-thought-out plant selections and placements are characteristically different across the world. By going over recent interior works, a few recurrent plantscaping design patterns arose, each reflective of distinctive climates, building styles, and traditional building techniques.

While the type of the chosen plants varies depending on favorable conditions for growth and local availability, the main distinctions are related to the direct environment and display method in which the vegetation is set, as well as its intended purpose. While plants are there to offer mental wellness to some, they are essential for cooling to others, or could even be meant for small-scale farming.

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For the past couple of years, the project curators at ArchDaily have been revisiting architectural works they believe deserve a deeper look. Through an Instagram post called "Project Review", the curators describe what they consider to be the work's main attribute(s). Delving into the project's stories and the elements that make them truly inspiring, they underline what might otherwise be overlooked initiatives and study them closely, with attention to locality and context. The result is an array of diverse works, often from rural or suburban areas that have a public function or historic significance.

While a couple of houses are listed, the majority of the reviews veer towards cultural centers, libraries, workspaces, or commercial settings. Another thing to note is the fact that many of these works ended up coming in from Asia, with a few key projects from rural China. The picks are quite diverse in materiality and design language; however, they all suggest innovative architectural solutions and captivating narratives.

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