Photos: Fog or smog? Pollution at dangerous levels in China
73076963
Credit: Getty Images
BEIJING, CHINA - JANUARY 29: A woman wearing a mask walks across a square in front of a fog-shrouded National Stadium as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing. (Photo by Lintao Zhang/Getty Images)
Other Slideshows
Peek Inside: Baseball legend Stan Musial's $1.8M Ladue home up for sale
Photos: Severe storms slam St. Louis area
Photos: Business district severely damaged in Mt. Olive
Photos: Dozens killed in mile-wide Oklahoma tornado
Photos: Oklahoma tornado damage
Photos: Boeing's 787 Dreamliner resumes flights