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Lucknow, India
Coming back to India. Lucknow is just full of Mughal architecture and it the main cause of fame of this city. There are a large number of colonial-era building here in the city. The spark of the Lucknow is falling day by day due to heavy pollution in the city. On the other hand, there are not enough parts in the city as well. So, the average PM2.5 recorded in the city is about 138.
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