A balloon seller walks across a street in Shijiazhuang, Hebei province, on New Year's Day. But it wasn't a particularly good day for families to go out as the city had issued a red alert for air pollution. (Photo/China Daily)
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A balloon seller walks across a street in Shijiazhuang, Hebei province, on New Year's Day. But it wasn't a particularly good day for families to go out as the city had issued a red alert for air pollution. (Photo/China Daily)
