Aerial photo taken on Nov 3, 2014 shows the fresh air of the Yanqi Lake in the Huairou district of Beijing, the capital city of China. [Photo/Xinhua] |
"APEC Blue" is a term coined for the clear blue skies during the APEC summit in Beijing. Supported by neighboring provinces and cities, the capital city took a series of measures to reduce smog, including limiting the number of cars on roads, granting leave to people working for some institutions, and suspending production in factories.
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