In Hanoi, the earth's most polluted city, the air is concrete

nbcnews.com/world/asia/vietnam-hanoi-air-pollution-concrete-rcna208466

New houses under construction north of Hanoi's West Lake. Vietnam's GDP has averaged 5-7% annual growth, far outpacing China and America, fueled in part by a relentless construction boom.

This story appeared on nbcnews.com, 2025-06-29 09:15:00.
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