Pollutants from various sources have been superficially depositing on the marble surface of Taj Mahal as particulate matter and due to scattering of light by these particles, the marble surface of Taj...
from NDTV News - Cities http://bit.ly/2RfmH5X
Monday, December 24, 2018
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» Taj Mahal's Colour Appears To Have Changed Due To Pollutants, Says Centre
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