Operation of Beijing Intl Airport remains normal despite heavy smog (4/6)

Photo taken on Feb. 25, 2014 shows the smog-shrouded Beijing Capital International Airport in Beijing, capital of China. The operation of Beijing Capital International Airport remains normal despite a heavy smog that has lingered Beijing and other cities in north China. A total of 1,591 flights with about 220,000 passengers are expected to arrive at or depart from the airport on Tuesday. (Xinhua)