China's capital Beijing, under fire to take effective measures against air pollution, raised its four-tiered alert system to “orange” for the first time on February 21, 2014. Heavy smog was expected to enshroud the city for an indefinite period.
A man wearing a mask makes his way amid thick haze in Beijing, Feb. 25, 2014.
A man wearing a mask drives a car amid thick haze in the morning in Beijing, Feb. 26, 2014.
Commuters wearing masks make their way amid thick haze in the morning in Beijing, Feb. 26, 2014.
Cars drive on the Three Ring Road amid the heavy haze in Beijing, Feb. 26, 2014.