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Villa Tai. Image Courtesy of ARK Architects
The single-family house remains one of the most complex territories in contemporary architecture. At once intimate and technical, everyday and symbolic, it concentrates debates around comfort, sustainability, landscape, and ways of living, while also serving as an instrument for projecting the identity of its inhabitants. It is within this field that ARK Architects operates. Based in Marbella and Sotogrande, the studio's work, under the creative direction of co-founder Manuel Ruiz Moriche, develops from a direct relationship between architecture, natural light, and environmental context.
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.
Exhibitions can be an opportunity to extend architectural discourse beyond professional circles, opening conversations with broader publics and serving as an interface between architecture and society. Within this concept, major international events such as the Osaka International Expo 2025 and the Venice Architecture Biennale have adopted the idea of the circular economy as one of their organizational objectives. The idea of circularity in events can be reflected in, for example, their energy consumption, the impact of the displacement they generate, their waste, or the useful life of their infrastructure. The site destined for the last World Expo, held in Osaka from 13 April to 13 October 2025, was surrounded by a massive timber structure designed by Sou Fujimoto Architects, one of the world's largest wooden constructions. The Japan Association for the 2025 World Exposition committed to reusing building materials "as much as possible," with concrete plans for their reuse to be finalized by March. In the meantime, some relocation alternatives are already emerging for the pieces of the World Expo structure.
On December 23, 1972, Managua, the capital of Nicaragua, was struck by a 6.3-magnitude earthquake. In a matter of minutes, its urban core, which for decades had functioned as a compact political and economic center, abruptly collapsed. In the reconstruction process that followed, the authorities sought not simply to rebuild but to reorganize. Their objective was to decentralize the city and prevent future paralysis by dispersing functions across multiple zones. Among the most significant architectural outcomes of this shift was the new Metropolitan Cathedral. Its modernist language symbolized both institutional continuity and urban transformation. In doing so, it embodied Managua's transition from a Spanish-style, centralized urban grid to a contemporary, decentralized metropolis.
The role of heritage rehabilitation in the contemporary architectural landscape is shaped by a wide range of research, beliefs, memories, and efforts aimed at redefining and strengthening our built environment. When undertaking a transformation, renovation, or preservation project, architects can employ diverse strategies and tools to encourage a meaningful coexistence between what already exists and what is newly introduced. Together with three Madrid-based architecture practices—SOLAR, Pachón-Paredes, and BA-RRO—we set out to engage in conversation and explore their creative processes and ideals, recognizing the complexity and value of historic buildings as repositories of materials, structures, and construction techniques from other eras.
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Dornbracht Madison fittings for Brenners Park-Hotel & Spa in Baden-Baden. Image Courtesy of Dornbracht
During renovation projects, replacement is often preferred over refurbishment. Used fixtures are removed, new products specified, timelines secured. Particularly in hospitality projects, where closures are costly and operations are tightly scheduled, installing new components appears to be the most reliable solution. It is faster, easier to coordinate, and aligns with established workflows. Refurbishment operates differently. It requires careful dismantling instead of disposal, evaluation instead of substitution, and trust in the quality of what is already there. It introduces complexity into a process designed for efficiency.
The recent renovation of Brenners Park-Hotel & Spa in Baden-Baden demonstrates that under the right circumstances, this additional effort can become a deliberate architectural strategy for similar projects, especially when the original materials were never intended to be temporary.
As the building industry continues to account for a significant share of global carbon emissions, digital platforms are increasingly being developed to support carbon reduction across different stages of the design and construction process. These initiatives range from material-focused knowledge databases to project life-cycle guidance and early-stage embodied carbon assessment tools. While differing in scope and methodology, they commonly aim to improve access to technical knowledge, clarify responsibilities across the value chain, and facilitate more informed decision-making in the built environment. Recently, Henning Larsen launched OpenDetail, joining related efforts by Grimshaw and MVRDV to address decarbonization through shared digital infrastructure.
From 7 March to 31 May 2026, Brazilian architect Eduardo Longo's Casa Bola will open to the public for the first time. The futuristic ball-shaped house in São Paulo will host one of the two parts of the ABERTO5 exhibition, alongside a project on Faria Lima, a major avenue at the heart of the city featuring landmarks by architects such as Ruy Ohtake and Isay Weinfeld. Founded in 2022, ABERTO is an exhibition platform that promotes the encounter of architecture, art, and design in Brazil and internationally. After its first international exhibition at Maison La Roche in Paris, ABERTO returns to São Paulo for its fifth edition, presenting over 60 art and design pieces by 50 Brazilian and international artists. According to architect and curator Fernando Serapião, Casa Bola represents one of the most radical works of Brazilian architecture, challenging conventional domestic space and reflecting Eduardo Longo's experimental vision for housing.
