Published: Sep 17, 2025, 13:36 IST | Updated: Sep 17, 2025, 13:36 IST
Delhi’s Iconic Red Fort, a UNESCO World Heritage Site, is Facing a New Threat,---
The City’s Toxic Air Pollution is Causing a Black Crust to Form on Its Centuries-old Sandstone Walls,---
Accelerating the Monument’s Decay...
A Recent Study Conducted by Scientists From IIT Roorkee, IIT Kanpur, ---
And Italian Universities Has Found That This Black Crust is Made Up of Gypsum, Quartz, and Heavy Metals Like Lead, Copper, and Zinc...