All but one of the world's top 20 most polluted cities last year were in Asia, a new study shows. CNN's Dhruv Tikekar reports.
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Smithsonian Magazine on MSNArchaeologists Map Two Forgotten Medieval Cities That Flourished Along the Silk Road in the Mountains of Central AsiaThe scans captured the cities down to the centimeter ... “We could really change the map of urban development in medieval ...
All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these ...
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