Question

observation of air pollution on taj mahal

Answer 1

Pollution turns India's white marble Taj Mahalyellow and green. ... Tiny insects from the drying Yamuna River into which the city pours its sewage crawl into the Taj Mahal, their excrement further staining the marble, an environmental lawyer told India's Supreme Court.

Answer 2

Due to air pollution the marble walls of Taj Mahal have started deteriorating.