Blue sky and sunshine reappear in Beijing (7/12)

Combination photo taken on Feb 26, 2014 (upper) and Feb 27, 2014 (lower) shows the sharp contrast of air quality at the Temple of Heaven in Beijing, capital of China. Blue sky and sunshine reappeared in Beijing on Feb 27 thanks to a strong cold front which dispersed the week-long smoggy weather. (Xinhua/Gong Lei)