Delhi’s toxic air is turning iconic Red Fort black  – study

MUMBAI – Severe air pollution in Indian capital Delhi has led to the formation of “black crusts” on the walls of the Red Fort, one of the city’s most iconic Mughal-era monuments, a studyMUMBAI – Severe air pollution in Indian capital Delhi has led to the formation of “black crusts” on the walls of the Red Fort, one of the city’s most iconic Mughal-era monuments, a study