Summary | Is fewer fireworks plea sparking a change?--China But
the celebrations bring a further burden to the city's air
quality. This was the highest level, "severely polluted," in
the five-tier air quality system.
the celebrations bring a further burden to the city's air
quality. This was the highest level, "severely polluted," in
the five-tier air quality system.
en.ce.cn | 08 October 2014