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Volcanic Stone and Green Roof Blend in a Serpentine Hydroponic Oasis

Authors:
Ana Tiriba, Filip Strebeyko
Volcanic Stone and Green Roof Blend in a Serpentine Hydroponic Oasis
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Constructed with volcanic stone and topped with a green roof, the serpentine greenhouse facilitates year-round hydroponic cultivation while enhancing awareness of sustainable agricultural practices.
5 key facts about this project
01
Constructed from local volcanic stone to enhance thermal performance.
02
Incorporates a serpentine layout that encourages visitor interaction with plants.
03
Features a green roof to promote biodiversity and natural insulation.
04
Utilizes passive solar design principles to optimize energy efficiency.
05
Includes educational spaces to demonstrate sustainable food production practices.

The Ouroboros greenhouse is located in a landscape shaped by volcanic activity and rich agricultural potential. It operates as a hydroponic facility, growing a variety of plants while also educating visitors about sustainable practices. Inspired by the symbol of the Ouroboros, the design conveys themes of circular life and interconnection with the environment, integrating the structure naturally into its surroundings.

Spatial Organization

The greenhouse’s layout is designed in a serpentine manner, guiding visitors through distinct functional areas including a mushroom farm, hydroponic sections, and food preparation spaces. The experience begins in a central courtyard that resembles a volcanic crater, creating an inviting atmosphere for exploration. As visitors make their way through the building, they encounter various zones that reveal the intricacies of plant growth and food production, encouraging a deeper appreciation of the ecosystem at play.

Sustainability and Climate Control

This structure incorporates passive solar design features that aim to optimize climate regulation and energy efficiency. The angle of the glass panels is carefully designed to follow the sun’s path throughout the year, thus maximizing natural light and warmth. The walls, built with stone and turf, act as thermal mass, absorbing heat during the day and releasing it at night. This design approach minimizes the need for artificial heating and cooling, ultimately supporting year-round plant growth while demonstrating a commitment to environmentally friendly architecture.

Materiality and Aesthetics

The materials chosen for construction show a strong connection to the local environment. The green roof enhances insulation and contributes to local biodiversity, while the volcanic stone walls blend with the landscape. The use of wooden beams and panels not only provides structural support but also adds warmth to the interiors, making the spaces more inviting. Each material serves multiple purposes, from functionality to aesthetics, reinforcing the idea of a harmonious relationship between architecture and nature.

In the dining area, large glass windows provide expansive views of the surrounding landscape, connecting visitors to their environment. This transparency allows natural light to fill the space, fostering a sense of openness. Visitors experience a continuous dialogue between the cultivated areas inside and the dynamic landscape outside, enhancing their appreciation of both the architecture and the environment.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

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