A view of the Tiananmen Square in Beijing on January 30, 2013. Photo: SCMP/Simon Song

A couple wear face masks for protection. Photo: AP

Thick smog closes airports and highways across China

Highways closed and flights cancelled as Beijing records extremely high levels of air pollution

Published: 12:00am, 30 Jan, 2013

Updated: 2:46pm, 30 Jan, 2013

A view of the Tiananmen Square in Beijing on January 30, 2013. Photo: SCMP/Simon Song

A couple wear face masks for protection. Photo: AP

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