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Smog lingers over the sky at Suvarnabhumi Airport in Bangkok, Thailand, Jan. 14, 2019. Fine particle matter in the air has reached hazardous levels in Thailand's capital. (Xinhua/Rachen Sageamsak)
Smog lingers over the sky at Suvarnabhumi Airport in Bangkok, Thailand, Jan. 14, 2019. Fine particle matter in the air has reached hazardous levels in Thailand's capital. (Xinhua/Rachen Sageamsak)