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15 travel destinations being ruined by tourism

Taj Mahal

Photo: voobie/Flickr

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Taj Mahal

The Taj Mahal is widely considered one of the great architectural achievements in human history. It was built by Mughal emperor Shah Jahan in memory of his favorite wife, Mumtaz Mahal, and it is visited by millions of tourists every year. But local development and the onslaught of visitors are taking a toll. Pollution, mostly from the nearby Yamuna River, has even been turning the Taj Mahal yellow.