Bắc Kinh báo động về ô nhiễm không khí
Tình trạng ô nhiễm không khí tại thủ đô Bắc Kinh, Trung Quốc, lần đầu tiên được xếp vào nhóm báo động vàng, mức độ cao thứ hai trong hệ thống cảnh báo ô nhiễm 4 bậc.
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