UNBLACK: Reviving the Taj Mahal Through Sustainable Architecture and Air-Purifying Design

Reimagining the Twin of the Taj

Agra, the city that houses one of the world’s greatest architectural masterpieces—the Taj Mahal—faces a silent battle against environmental decay. The monument’s marble skin, once radiant white, has begun to yellow and darken under the weight of pollution. The Black TAJ UNBLACK, a visionary architectural proposal by Kirti Bali, addresses this pressing issue through design innovation and environmental consciousness. The project, honored with an Honorable Mention in The Black Taj competition, reinterprets Mughal heritage through the lens of sustainable architecture.

The Concept – A Transparent Twin for the Taj

At the heart of UNBLACK lies the idea of constructing a transparent spherical pavilion near the Taj Mahal—a symbolic twin that both mirrors and protects the historic monument. This sphere encapsulates the “image of the Taj” within a clear architectural form, maintaining its visual prominence in Agra’s skyline. It serves as a metaphorical shield, ensuring that while time and pollution erode the real monument, the memory of its pristine beauty endures within this architectural counterpart.

The sphere’s transparency is not just a design gesture—it represents truth and purity. As J. F. Kennedy’s quote inscribed on the project board suggests, “The great enemy of the truth is very often not the lie, deliberate, contrived and dishonest, but the myth—persistent, persuasive, and unrealistic.” The project thus becomes a dialogue between myth and reality, permanence and decay, memory and imagination.

Black Guilt: Architecture as an Environmental Machine

The project introduces a remarkable technological intervention—Black Guilt, a system designed to purify the air around the Taj Mahal. This mechanism collects and filters carbon dust particles from the polluted air, converting them into ink. The ink is then channeled into transparent jaalis (latticed screens) that form the outer shell of the sphere. Over time, the jaalis gradually darken, turning the transparent structure visually black—a poetic inversion of the Taj Mahal’s whitening and pollution.

This cyclical transformation transforms pollution into art, decay into expression, and environmental guilt into tangible awareness. The “Black Guilt” ink can also be used to create artifacts, patterns, and educational exhibits, connecting sustainability with artistic heritage.

Architecture of Learning and Reflection

Beneath the amphitheater and transparent sphere, UNBLACK integrates learning and exhibition spaces—designed for cultural exchange, educational workshops, and skill-development activities. These programs invite locals and visitors to engage with topics such as environmental stewardship, Mughal architectural history, and sustainable urban design.

By merging architecture, culture, and ecology, the proposal transforms the site into a living museum. It becomes not just a monument to the past, but a laboratory for the future of sustainable heritage conservation.

Symbolism and Spatial Narrative

The sphere’s spatial narrative is interwoven with Mughal history. Different types of jaalis narrate the evolution of the Mughal eras, forming a chronological timeline without obstructing the Taj’s image. This approach balances cultural storytelling with architectural restraint—a gesture that honors the Mughal mastery of ornamentation while adhering to contemporary minimalism.

The design’s amphitheater also provides a platform for cultural activities, fostering collective memory and community engagement. It reflects the idea that heritage is not static—it breathes through interaction, learning, and participation.

A Sustainable Vision for Agra’s Future

UNBLACK is more than a conceptual monument; it’s a vision for regenerative architecture. By tackling both environmental pollution and cultural erosion, it redefines how architecture can act as a restorative force. It encourages people to view sustainability not as an aesthetic choice but as a moral responsibility—a continuation of the Taj Mahal’s legacy of eternal love, now extended to the environment.

In essence, the project re-establishes the Taj’s symbolic purity through innovation and empathy. It honors its twin by complementing it—preserving its reflection even as time reshapes its reality.

Through the poetic fusion of design and technology, UNBLACK transforms guilt into action, pollution into art, and decay into awareness. It stands as a testament to how sustainable architecture can become both a monument and a message—a structure that speaks to our collective duty to preserve not only history, but the planet that holds it.