Chinese man wears a mask to protect against pollution as he visits Jingshan Park overlooking the Forbidden City in heavy smog on December 8, 2015 in...
Chinese worker checks light bulbs at the Forbidden City, in preparation for the up coming one-year milestone countdown party to the Beijing 2008...
Chinese woman does her morning exercises as smog clears at sunrise around the Forbidden City below on December 10, 2015 in Beijing, China. The...
Chinese tourist looks at her phone after taking a picture of herself in a mask while visiting Jingshan Park overlooking the Forbidden City in heavy...
Chinese woman wears a mask to protect against pollution as two women take a picture together while visiting Jingshan Park overlooking the Forbidden...
Chinese man walks at the Temple of Heaven park the Forbidden City shrouded in haze during a day of heavy pollution on November 30, 2015 in Beijing,...
Chinese woman wears a protective mask as she overlooks the Forbidden City shrouded in haze on a day of heavy pollution on November 30, 2015 in...
Woman covers her face as she walks past a billboard at the Forbidden City in Beijing on May 19, 2013. China will more than double the number of...
People wear face masks while visiting the Forbidden City in Beijing on May 19, 2013. China will more than double the number of cities covered by air...
General view of the pollution covered Forbidden City on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing with pollution at hazardous...
General view of the pollution covered watchtower of the Forbidden City on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing with...
Tourist looks at the Forbidden City as pollution covers the city on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing with pollution at...
General view of the pollution covered Forbidden City on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing with pollution at hazardous...
General view of the pollution covered Forbidden City on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing with pollution at hazardous...
Tourists walk through the door of the Forbidden City as pollution covers the city on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing...
Tourists walk through the door of the Forbidden City as pollution covers the city on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing...
Tourist wearing the mask looks on as pollution covers the Forbidden City on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing with...
Tourist wearing the mask looks on as pollution covers the Forbidden City on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing with...
Tourist wearing the mask looks at the Forbidden City as pollution covers the city on January 16, 2013 in Beijing, China. Heavy smog shrouded Beijing...