Hanoi orders schools to restrict outdoor activities, suspend classes during severe air pollution
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Hanoi authorities have ordered schools to limit outdoor activities and suspend classes when air pollution reaches hazardous levels, as the capital faces dangerously high smog.Hanoi orders schools to restrict outdoor activities, suspend classes during severe air pollution
Hanoi authorities have ordered schools to limit outdoor activities and suspend classes when air pollution reaches hazardous levels, as the capital faces dangerously high smog. Read more












