Question

Gine Reasons:
1 Black dirt patches are seen on
Taj Mahal why​

Answer 1

Archaeologists have recently pointed out that the green-black spots appearing on the marble surface of the Taj are due to the greenish-black excrement left behind by aquatic insects called Chironomus Calligraphus. These insects thrive on algae and increasing phosphorus levels in the river

Answer 2

Archaeologists have recently pointed out that the green-black spots appearing on the marble surface of the Taj are due to the greenish-black excrement left behind by aquatic insects called Chironomus Calligraphus. These insects thrive on algae and increasing phosphorus levels in the river.