Smog almost completely hides the Potala Palace in Lhasa. Photo: CFP
Smog almost completely hides the Potala Palace in Lhasa. Photo: CFP

Choking, toxic smog spreads across the nation to inland and coastal cities

Smog almost completely hides the Potala Palace in Lhasa. Photo: CFP
Smog almost completely hides the Potala Palace in Lhasa. Photo: CFP
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