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King Salman Park, Riyadh, Saudi Arabia. Image Courtesy of King Salman Park Foundation & Omrania
Construction continues on King Salman Park in Riyadh, a 16.9-square-kilometre public landscape taking shape on the grounds of the city's former airport. Led by Omrania as lead design consultant, in collaboration with Henning Larsen for master planning and urban design, the project reimagines the centrally located site as a large-scale green and cultural district. Conceived as a new civic core for the capital, the park combines ecological restoration, public programming, and mixed-use development. Initial phases are expected to open in late 2026, with substantial completion targeted for 2027, following a phased construction schedule currently underway.
Highlighted Submissions: Common Spaces. Image Courtesy of Buildner
Buildner, in collaboration with the City and County of Denver and AIA Colorado, has announced the winners of the Denver Affordable Housing Challenge, an international ideas competition exploring how affordability and design excellence can reinforce one another within the specific urban, social, and environmental context of Denver.
As the nineteenth edition in Buildner's Affordable Housing Challenge series, the competition invited architects and designers from around the world to respond to Denver's housing crisis through proposals operating at architectural, urban, and systemic scales. The brief did not prescribe a single site or typology but, rather, encouraged flexible strategies capable of addressing affordability, climate resilience, and community impact while contributing positively to Denver's urban identity.
Cities around the world share a common goal: to become healthier and greener, supported by civic infrastructure that restores ecosystems and strengthens public life. The question is how to reach this. Global climate targets, local building codes, and municipal standards increasingly guide designers and planners toward better choices. Still, many cities struggle to translate these frameworks into everyday, street-level comfort and long-term ecological protection. What happens if the city is no longer treated as a traditional city, but as a national park?
National parks operate through systems of protection that treat land as a network of ecological relationships rather than a collection of isolated sites. They establish a shared baseline for what must be preserved, maintained, and made accessible over time. When this logic is applied to the urban environment, success can inspire pride and a sense of shared responsibility among designers, policymakers, and residents, fostering a collective commitment to health, habitat, and civic infrastructure.
What Placemakers Need to Unlearn — Why Regenerative Places Demand a Different Mindset
Regenerative placemaking is an approach to shaping places that prioritises long-term social, cultural and environmental health, not just short-term activation, footfall or commercial performance. It looks at how places can continue to give back to the people and communities who use them over time, rather than extracting value and moving on.
Zaha Hadid Architects has released images of its design for the redevelopment of the waterfront along the Zhedong Canal in Hangzhou's Xiaoshan District, China. The Qiantang Bay Central Water Axis project envisions a sequence of landscaped parklands, terraces, and gardens along the canal basin, proposing the transformation of former industrial areas into a green corridor extending toward the city center. The proposal adds to other recent design initiatives in the area, including Snøhetta's Qiantang Bay Art Museum, planned at the confluence of the Qiantang River and the Central Water Axis, as well as Zaha Hadid Architects' Grand Canal Gateway Bridge, a pedestrian bridge intended to connect the firm's 800,000-square-meter Seamless City masterplan on the east and west banks of the Grand Canal.
A long table can sit almost anywhere and still do the same work. It can stretch beneath a market canopy, run along a school dining hall, or occupy the center of a shared living room, and it immediately changes the room's temperature.
That is why the long table is less an object than a spatial instrument. It does not guarantee a connection, and it rarely looks "inclusive" by default. Instead, it sets conditions: a shared edge, a common rhythm of arrival, a field of mutual visibility, or a rule that turns eating into a scene with others. Food studies describe this practice as commensality, the act of eating together and the social order it can create, reinforce, or contest. But what matters here is not a specific dimension or the table's function, but the way a long surface holds difference, conversation, and silence; intimacy and distance; the decision to join and the right to hesitate.
Foster + Partners, in collaboration with Angola's Ministry of Transport, has unveiled the master plan for the Icolo e Bengo Aerotropolis, a large-scale development planned around the recently completed Dr. Antonio Agostinho Neto International Airport. The proposal organizes business, research, residential, and hospitality programs within a landscape-led framework structured around the airport. Development is planned to proceed in phases, beginning with the business and cultural district located to the north of the site.
Unlike most popular sports, the origin of basketball has a precise year and creator: it was invented in 1891 in the United States by Canadian physical education instructor James Naismith as an indoor sport for athletes at Springfield College during the winter, after the end of the football season. The sport quickly expanded beyond U.S. borders, being included in the Olympic Games in 1936 and achieving international popularity after the Second World War. As basketball became more widespread, it also left the controlled environment of gymnasiums and began occupying a wide range of locations: playgrounds, public plazas, school courtyards, driveways, and backyard patios became informal courts for play and community life, reinforcing the role of physical activity as a catalyst for social interaction and neighborhood regeneration.
Sunset panorama of a large residential gated community (Aparna’s Elixir) viewed from Khajaguda hills, India. Photo by iMahesh. License Creative Commons Attribution-Share Alike 4.0 International
You learn how to behave long before you arrive home. At the gate, you slow down and wait. You are watched, then waved through. A badge is checked, a barrier lifts, a camera blinks. Nothing dramatic happens, and that is precisely the point. The most consequential work of gated communities is not done by their walls, but by the choreography of entry that quietly teaches residents what to expect, whom to trust, and where they belong.
Leisure spaces are often where different generations cross paths. Without formal programs or assigned roles, they allow people to move, pause, and remain together, each engaging space in their own way. In a built environment increasingly shaped by specialization and separation, these shared spatial grounds have become less common, giving leisure-oriented architecture a renewed relevance.
Discussions around public space have repeatedly pointed to the value of openness and flexibility in supporting collective life. As architect Herman Hertzberger has noted, "the more a space can be interpreted in different ways, the more people it can accommodate." Rather than attempting to create interaction, architecture shapes the conditions that make togetherness possible.
Beneath the visible surface of cities lies an invisible architecture. Subways, tunnels, water systems, data cables, and bunkers form a dense network that sustains urban life while remaining largely unseen. The ground beneath our feet is not a void but a complex territory that holds the infrastructures, memories, and anxieties of our age. In recent years, as land becomes scarce and climate pressures intensify, architects and urbanists have turned their gaze downward, rediscovering the subterranean as both a physical and conceptual frontier. To design underground is to engage with the unseen mechanisms that shape the world above.
The subterranean has long been a site where architecture intersects with politics, technology, and belief. From the catacombs of Rome to the industrial subways of modernity, descent has symbolized both protection and exposure. Twentieth-century urbanism transformed this gesture into a system: metros, shelters, and utilities redefined the city section as an instrument of governance. Beneath the promise of efficiency and progress, the underground absorbed the anxieties of an era of war, surveillance, and collapse. Its evolution reveals not only how societies build, but also how they fear.
Today, the ground has become the new frontier of urban expansion and ecological adaptation. As digital infrastructures, energy systems, and climatic buffers migrate below grade, architecture confronts a space both technical and metaphysical — essential yet marginal, invisible yet decisive. To think in sections rather than in plan is to recognise that contemporary cities no longer exist solely in their skylines but also in their depths. The challenge for architecture is not only to occupy that space, but to render it legible, to turn the unseen into knowledge, and the hidden into a new terrain of design.
Reflecting on the modern city, Walter Benjamin described the flâneur, a figure who walks without a defined destination, attentive to details, chance encounters, and the narratives that emerge from urban space. This way of being in the city, shaped by observation and openness to the unexpected, has long been in tension with the rationalist and functionalist ideals that came to guide urban planning throughout the twentieth century. Streets designed primarily for efficiency and flow rarely leave room for detours, pauses, or the coexistence of different rhythms of life.
Jane Jacobs was also one of the voices that challenged this predominantly rationalist logic, arguing that truly vibrant streets are those capable of sustaining the diversity of everyday life, its informal exchanges, and the forms of care and natural surveillance that emerge from them. What these authors share is a fundamental insight: streets are not merely infrastructures for circulation, but social ecosystems, shaped by the relationships, uses, and encounters that take place within them.
Malabo served as the capital city of Equatorial Guinea from the country's independence from Spain on October 12, 1968, until January 2, 2026, when a decree issued by President Teodoro Obiang Nguema Mbasogo officially transferred the capital to Ciudad de la Paz ("City of Peace"), located in Djibloho Province. Obiang formalized the move as part of a long-planned territorial reorganization. While the former capital remains an important economic center on Bioko Island, Ciudad de la Paz was conceived as a planned capital on Africa's mainland. The initiative to relocate the capital dates back to 2008, with construction beginning in 2011. The new capital, also referred to as Djibloho, after the province, or Oyala, has been framed by the government as a decentralization effort aimed at improving national accessibility.
Cultural institutions represent an active field for unbuilt architectural exploration, reflecting how architects continue to question the role of public buildings in shaping urban life. In this Unbuilt edition, submitted by the ArchDaily community, the selected proposals bring together a range of projects that engage with museums, exhibition centers, and diplomatic buildings as sites of public encounter. Rather than treating these programs as fixed types, these projects approach them as evolving spatial settings through which cities engage with history, knowledge, and representation.
Across varied geographies, from Wenzhou and Helsinki to Belgrade, Debrecen, Mexico City, and Nürnberg, the proposals explore different responses to contemporary cultural architecture. They range from adaptive reuse of industrial and ideological structures to new buildings embedded in waterfronts, parks, and residential neighborhoods. While some emphasize continuity with historical contexts, others experiment with lighter structures, environmental strategies, or new relationships between interior programs and the public realm. Together, they offer a snapshot of how cultural institutions are being reimagined in diverse urban conditions.
Courtesy of [applied] Foreign Affairs, Institute of Architecture, University of Applied Arts Vienna
Long before architecture took the form of walls, roofs, or cities, it gathered people around fire. The simple fire pit was one of humanity's earliest spatial devices: a place for warmth, food, storytelling, and ritual. Around it, space took shape through proximity rather than enclosure, through shared presence rather than prescribed use. The fire organized bodies in a circle, fostered alliances, and turned survival into collective life. Today, this ancestral logic persists: architecture has the potential of bringing people together not by commanding how they gather, but by creating the conditions that make togetherness possible.
This month, ArchDaily explores Coming Together and the Making of Place, a topic that examines architecture as a framework for inclusion, care, and belonging. The theme aligns with the first edition of the ArchDaily Student Project Awards, which approach care from a collective perspective by focusing on spaces that nurture better ways of living together. Looking beyond iconic gathering spaces, the coverage considers everyday environments, from food markets, communal tables, and neighborhood plazas to third spaces, domestic settings, and digital or hybrid environments of remote togetherness. Rather than treating togetherness as a fixed program, it asks how spatial design can support openness, diversity, and collective life without enforcing uniform ways of gathering.
On the southern edge of Vienna, a cluster of monumental terraces rises above the cityscape, their stepped balconies cascading with greenery and their rooftops crowned with swimming pools. This is the Wohnpark Alterlaa, one of the most ambitious social housing projects in postwar Europe. Designed by Austrian architect Harry Glück and built between 1973 and 1985, the complex was founded on a provocative principle: municipal housing should not only provide affordable shelter but also offer the pleasures and amenities usually reserved for the wealthy.
With more than 3,000 apartments housing nearly 9,000 residents, Alterlaa was conceived as a city within the city. Alongside its residential towers, it incorporates shops, schools, medical services, and cultural facilities, ensuring that daily life can unfold entirely within its boundaries. The project reflects a moment of optimism in Vienna's urban policy, when housing was understood as infrastructure for collective well-being rather than as a commodity.
Located in Barcelona's El Raval district, the Futuristic Office Building by SNOB Architects introduces a contemporaryoffice program within a consolidated and historically layered urban environment. Designed by the Lisbon-based practice and scheduled for completion around 2026, the project comprises approximately 12,000 square meters of gross built area. The building's height, massing, and proportions are calibrated in response to the surrounding fabric, reflecting the scale of adjacent structures while establishing a contemporary architectural language. Rather than presenting itself as an isolated object, the project is conceived as part of the existing city, contributing to the gradual transformation of El Raval through a controlled and context-aware architectural approach.