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Earth Coating and Glazed Volume in a Desert Oasis Visitor Center

Authors:
Sebastian Larriva, Paul Santacruz
Earth Coating and Glazed Volume in a Desert Oasis Visitor Center

Project in-detail

The integration of a glazed volume and an earthy coating forms a compelling oasis in the desert, serving as a visitor center that promotes education and interaction with the surrounding wetlands.
5 key facts about this project
01
The design incorporates a central water mirror that cools air for natural ventilation.
02
A Trombe wall structure helps regulate indoor temperature through passive solar heating.
03
Native flora is showcased in an inner courtyard, emphasizing local biodiversity.
04
Earth-toned external coating mimics natural landforms shaped by water.
05
The orientation maximizes airflow, harnessing prevailing winds for enhanced comfort.

The OASIS Al Wathba Visitor Center is located in the Al Wathba wetlands of Abu Dhabi, designed to connect with its natural surroundings. This facility focuses on education and engagement, aiming to raise awareness of the area's diverse ecology. The central idea behind the design is inspired by the concept of mimicry, where the building reflects the characteristics of an oasis, utilizing water as the key organizing element of the structure.

Design Integration

The building consists of two main parts: a glazed volume that houses the primary functions and an outer layer that mimics natural geological formations shaped by water. The glazed portion acts as a Trombe wall, absorbing and storing heat from the sun, which contributes to energy efficiency. The earthy outer coating reduces solar gain and visually blends the structure with the landscape, making it a natural part of the environment.

Spatial Relationships

The design promotes a strong relationship between the building and the surrounding landscape, featuring an inner courtyard filled with native plants. This encourages visitors to interact with the local ecosystem. The layout creates clear visual connections, allowing people inside to experience both enclosed spaces and open views of the outside. A terrace, partially hidden, offers a direct interaction with nature, reinforcing the connection between the built form and the environment.

Climate Response

Bioclimatic principles are central to the design, addressing the specific climate challenges of the region. The orientation of the building is carefully planned to take advantage of natural airflow, utilizing prevailing winds for ventilation. Air moves through a circulation network that cools as it passes over a central water feature, contributing to indoor comfort and supporting a sustainable approach to design.

The OASIS Al Wathba Visitor Center highlights the importance of preserving the ecological balance of the Al Wathba wetlands. The design features thoughtful elements, such as the way the sunlight interacts with the glazed surfaces throughout the day, encouraging visitors to reflect on the relationship between human-made structures and the natural world.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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Buildner's Unbuilt Award 2025
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