Planes spray water over 'world's most polluted city' to alleviate air pollution in northern Thailand
Published date: Wed, 12 Apr 2023 13:53:05 +0700Planes sprayed water over the world's most polluted city today to alleviate toxic smog clouding the air.
The aircraft flew across Chiang Mai and saturated the air with tiny water droplets believed to disperse PM2.5 dust particles.
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