Tourists walk past a discoloured wall of the Taj Mahal caused by environmental pollution which stands out in contrast against one which has been cleaned in Agra, India. Photo: AP 

With the Taj Mahal losing its sheen, here are five other monuments in need of a facelift 

The Taj Mahal’s regal white walls are losing their sheen because of pollution and bug dung, but it's not the only historic monument that needs some touching up, renovation or restoration. We look at five more

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Tourists walk past a discoloured wall of the Taj Mahal caused by environmental pollution which stands out in contrast against one which has been cleaned in Agra, India. Photo: AP 
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