The Story of Abu Dhabi’s Pineapple Buildings

Al Bahr Towers define Abu Dhabi’s skyline with innovative architecture and top-tier office spaces

Landlord Ledger Publications • Profile • 2026-01-16

At the eastern gateway to Abu Dhabi, two cylindrical towers rise from the desert landscape, their facades shimmering and shifting with the sun. Officially known as Al Bahr Towers and affectionately nicknamed the “Pineapple Buildings,” these 29-story twin towers are among the most recognizable structures in the Middle East. Completed in 2012 as headquarters for the Abu Dhabi Investment Council and Al Hilal Bank, the towers quickly gained international attention for housing the world’s largest responsive facade, a reinterpretation of the traditional Islamic mashrabiya executed at an unprecedented scale. Yet beneath the striking honeycomb exterior lies a story of innovation, ambition, contradiction, and human complexity that goes far beyond their public image.

Al Bahr Towers Define Abu Dhabi’s Skyline

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The towers were conceived during a transformative period in Abu Dhabi’s urban development, when the emirate sought to define its architectural identity and invest in environmentally conscious construction. The 2030 Urban Structure Framework Plan emphasized sustainability, cultural specificity, and global recognition, and the Al Bahr Towers were intended to embody these aspirations. The client’s brief focused on creating a “dazzling” and iconic headquarters, blending modern office functionality with traditional Arabian design cues. While sustainability was part of the narrative, it was never the primary driver—a detail that would later spark debate among architects, engineers, and academics.

Bringing this vision to life required an unusually large, international team. Abdulmajid Karanouh, the lead architect, developed the parametric mashrabiya system that would define the towers’ exterior and earn the project the 2012 Best Innovation award from the Council on Tall Buildings and Urban Habitat. Peter Oborn, former Deputy Chairman of Aedas, provided overall project leadership and later chronicled the entire process in a 208-page monograph detailing design and delivery. Structural, mechanical, and facade engineering was supplied by Arup, which coordinated more than 150 engineers, while Yuanda Group manufactured, tested, and installed the thousands of moving units that would form the responsive skin. Al-Futtaim Carillion oversaw general construction, integrating these complex systems into a cohesive whole. In total, more than 70 architects and hundreds of engineers contributed to the project, making Al Bahr Towers one of the most technically ambitious commercial office developments in the region.

The mashrabiya facade itself is a feat of global engineering and logistics. Mounted approximately two meters in front of a glass curtain wall, the triangular shading units open and close in response to solar exposure, reducing heat gain while preserving outward views. Delivering this system required thousands of custom duplex steel castings, some more than two meters long, produced across multiple factories in Shenyang and Guangzhou, China. The components were subjected to an exacting five-stage testing process, simulating 30,000 life cycles in extreme heat, humidity, sand, and salt, and further dynamic testing was conducted in a Parisian wind tunnel designed for aviation. The facade’s movements are controlled by proprietary software developed by the manufacturer, a first for such a system, allowing the building to perform as a living, adaptive organism responding to the harsh Abu Dhabi sun.

Despite the sophistication of the facade, the towers’ sustainability record is paradoxical. Karanouh himself has emphasized that the buildings were not designed to be inherently sustainable; rather, the mashrabiya was an elegant solution to the inefficiencies created by the client’s initial desire for a fully glazed office building—an archetype unsuited to Abu Dhabi’s desert climate. Academic critiques describe the project as an “ill-contradiction”: the creation of a problem through a conventional glass curtain wall, followed by a technologically complex and costly mitigation. This approach diverges from traditional regional wisdom, which prioritizes climate-appropriate design over corrective intervention. The consequence was a modest environmental certification: the towers achieved only LEED Silver, constrained by an excessive glass ratio that exceeded local guidelines. Aesthetic priorities, it seems, outweighed deeper sustainability objectives, creating a tension between architectural ambition and ecological responsibility.

Construction and commissioning presented their own challenges. Although the towers opened in 2012, full commissioning of the facade system did not occur until 2015, three years later. The delay arose from underestimating system complexity, insufficient independent oversight, and reliance on the subcontractor for validation. This lag illustrates a key lesson in cutting-edge architecture: innovation without rigorous commissioning can delay performance optimization, no matter how sophisticated the design. The process underscored the difficulty of aligning visionary architecture with practical execution, especially when technology operates at a scale never before attempted in a commercial office context.

Occupants’ experiences have added another layer of complexity. Surveys of employees revealed a surprising disconnect between design intent and daily reality. While many reported overall comfort, a significant portion experienced overcooling, particularly among female staff, and 40 percent expressed discomfort with the natural lighting created by the automated facade. The constant opening and closing of the mashrabiya units, designed to enhance indoor conditions, instead generated distraction and frustration, highlighting the tension between technological sophistication and human preference. Occupants often left roller blinds open, signaling a desire for direct engagement with the exterior world—a paradoxical rejection of the very system intended to optimize their environment.

Beyond its technical and human dimensions, Al Bahr Towers occupies a meaningful place in Abu Dhabi’s real estate landscape. Situated at a prominent intersection overlooking the Eastern Mangroves, the towers serve as both landmark and functional asset. Their design sets them apart from conventional high-rise office buildings, providing premium workspace for institutional tenants while contributing to the city’s evolving skyline. The nickname “Pineapple Buildings” has become a term of endearment among residents, reinforcing their identity as both cultural symbol and commercial asset. Internationally, the towers have earned recognition from the Council on Tall Buildings and Urban Habitat, appear in the Top 50 Most Influential Tall Buildings, and were named one of Time Magazine’s “Inventions of the Year” in 2012, cementing their global significance.

In financial terms, the towers are purpose-built headquarters rather than speculative assets. This provides stability in tenancy and valuation, a feature uncommon in the region’s volatile office market. Yet their market position is enhanced, not diminished, by their unconventional appearance and high-profile architecture. Distinctiveness has become a premium: in the case of Al Bahr Towers, iconic design and practical utility coexist, creating a rare combination of architectural prestige and commercial viability.

Ultimately, the story of the Pineapple Buildings is one of innovation, ambition, and paradox. They exemplify the possibilities of computational design, global collaboration, and cultural reinterpretation, yet they also reveal the limits of technology in achieving seamless sustainability and human satisfaction. The towers are simultaneously a landmark achievement in facade engineering and a reminder that iconic architecture is rarely simple or problem-free. They illustrate the complex interplay between aesthetics, technology, climate, and human behavior, offering lessons that extend far beyond Abu Dhabi.

Al Bahr Towers are more than office buildings; they are a statement of a city’s aspirations, a testament to international expertise, and a tangible marker of Abu Dhabi’s ambition to merge modernity with cultural identity. The Pineapple Buildings capture the tension and beauty inherent in 21st-century architecture, demonstrating that the most compelling stories often emerge not from perfection, but from the intricate, human, and technical realities that lie behind the facade.