25 Dec 2015, Christmas Day, Beijing Authorities Boost The Second Smog Alert Red Level. Air Pollution Is A Chronic Health-Risk For Those Living And Working In The Capital And Other Major Chinese Cities. Ri Tan Road, Capital Research Institute Of Children, More And More Children Are Send To The Capital By Their Parents Because Of The Respiratory Disease.

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2015 air alert authorities beijing capital children china christmas dec disease health hospital institute level mask parents pm25 pollution red respiratory risk ritanlu second send smog