A black crust is decaying Humayun's Tomb in Delhi. How the air is to blame, and what can be done
2 sources·Updated August 3, 2026
Covered by 2 sources
- NDTV Top Stories·3h agoAir Pollution Accelerating Decay Of Humayun's Tomb: IIT Study
Study reveals black crust from pollution weakens Humayuns Tomb sandstone
Read at NDTV Top Stories → - Hindustan Times India·16h agoA black crust is decaying Humayun's Tomb in Delhi. How the air is to blame, and what can be done
For Delhi's monuments, researchers recommend regular maintenance, protective coatings and then monitoring.
Read at Hindustan Times India →
