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Beijing saw an increasing number of days with blue skies in 2014 but the capital just missed its goal of reducing by 5 percent the average concentration of PM2.5, a major air pollutant. Read the story on page 3.

"The clusters of factories surrounding the city make it hard to achieve the goal. But it was heartening to see more blue-sky days last year."

Tsewang Raja, a Tibetan-language translator