High SPM levels are known to cause discolouration of the Taj Mahal's iconic white marble, turning it a yellowish hue due to pollutant deposition. A report by a Rajya Sabha committee had earlier ...

The sparkling Taj Mahal ... gradually turning green. While such changes in the monument are usually seen in monsoons and summers, this time, the pearly-white exterior of the Taj Mahal deteriorates ...