GMT+7
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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k0I/4bugUELDk+G7hsOTQk9QxqDFqEIk4bug4buGJELFqOG7gjBCJOG7oEvFqELhu6Thu7bFqELhu6bhu4DFqOG7nkI/UcWo4bugQsOT4bugSj9C4buMV1BCJOG7oOG7qOG6ruG6tC8kw4LhurQkQsOT4buk4buAJibhu7fhuqok4bqnxq/DkjDhuqrDgnDhu6Dhu47Gr0Lhu4vhu6DGr+G7gOG7oMavw5PhurQvJMOC