From ruin to revival: How digital technology is reshaping the restoration of heritage structures

Architects and conservators are increasingly using digital technologies like photogrammetry and LiDAR to document and restore heritage structures. These non-invasive methods provide high-precision 3D models that help in understanding structural integrity and hidden details.
Why it matters
Advanced technology is providing new, accurate ways to preserve historical monuments against urban decay and environmental damage.
India is a museum of culture, its skyline dotted with soaring gopurams, elegant Islamic domes and majestic Indo-Saracenic buildings. Sadly, many of these monuments face an existential threat from rapid urbanisation, environmental decay and public apathy. When we lose a monument, we don’t just lose a physical structure, but are severed from our cultural moorings. “However, in recent years, technology has come to the aid of conservators, enabling them to make informed decisions,” says architect R. Maniyarasan, who also holds a diploma in photography.
The article is a technical overview of conservation methods and does not contain political or social bias.
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