"A Chinese woman wearing a protection mask walks near the iconic headquarters of China's state broadcaster Central China Television (CCTV) at the Central Business District in Beijing as the capital of China is blanked by heavy smog Tuesday, Jan. 3, 2017. China's Ministry of Environment says an unspecified number of companies have violated measures meant to reduce smog as the country deals with a phase of particularly noxious pollution. Beijing has been on ""orange alert"" the second highest pollution alert level since Friday. The alert was originally due to end on Sunday but authorities have extended it a further three days."
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