14 مدينة هندية من بين العشرين عالميا ذات الهواء الأكثر تلوثا
Indian schoolchildren cover their faces as they walk to school amid heavy smog in New Delhi on November 8, 2017. Delhi shut all primary schools on November 8 as pollution levels hit nearly 30 times the World Health Organization safe level, prompting doctors in the Indian capital to warn of a public health emergency. Dense … تابع الخبر