Selah's Beam: A Vision of Sustainable Architecture in the Texan Desert
An immersive cloud arena in the Texan desert turns waste into power—merging sustainable architecture, holograms, and festival culture.
Project by: Achille Anjoras, Théo Braghini
Shortlisted entry of The Digital Colosseum 2020
In the heart of the Texan desert, a bold experiment in sustainable architecture challenges the boundaries of technology, energy, and public space. Titled Selah's Beam, the project proposes an ephemeral arena that fuses holographic technology, renewable energy, and urban-scale land art to create a one-of-a-kind immersive environment.
The design envisions a temporary holographic cloud formed from vapor, suspended above a barren field near the town of Marfa. Surrounding this vapor cloud are 100 towering structures – 11 meters high – each functioning as a fuel cell. These monolithic forms are arranged to mirror the region's wind patterns and act as windbreakers, preserving the delicate cloud suspended in the desert air.
The real innovation, however, lies in how these structures generate electricity and water. The project harnesses fuel cell technology, which combines hydrogen and oxygen to produce clean energy and H2O without any polluting byproducts. This hydrogen is sourced from Marfa's own waste. A closed-loop system collects household trash from the town, sorts and processes it, and extracts hydrogen through bioreactors, which is then transported via pipeline to the festival site. In doing so, the town's waste is transformed into the energy needed to power the entire installation.
The arena activates three days a year during an Esports festival. When active, each particle of water vapor becomes a projection surface, turning the cloud into a dynamic 3D holographic display. This immersive "no-screen" space allows festival-goers to experience gaming, data, and digital performance art like never before. When the festival concludes, the cloud and projections vanish, leaving behind only the silent sculptures—an architectural ghost in the landscape.
Selah's Beam is more than a spectacle. It's a blueprint for how architecture can address energy, sustainability, and ephemeral urbanism. The project presents an adaptive model of urban-scale infrastructure that can operate with complete energy autonomy, powered by local waste and constructed in harmony with nature. It challenges our expectations of what a city, a screen, and a structure can be.
In an era of climate urgency and digital overload, Selah's Beam offers a moment of pause—a temporary cloud that reflects a permanent shift in how we build, energize, and imagine the future.
