Conservationists at the Taxila World Heritage Site have successfully completed the first application of a revolutionary "Nano-Cellulose Shield" to protect the site's ancient Buddhist stupas. This transparent, eco-friendly coating is designed to prevent the growth of harmful bio-films and the penetration of industrial pollutants that have accelerated the decay of the Gandharan-era stone masonry.
Developed through a partnership between UNESCO and the University of Punjab, the shield uses plant-based polymers to create a microscopic barrier that repels water while allowing the stone to breathe. This technological innovation marks a significant advancement in sustainable heritage preservation for sites located near rapidly industrializing urban corridors.