Beijing Air Pollution Reaches Dangerous Level

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Tourist walk on the Tiananmen Square during severe pollution on... News PhotoBeijing,China - East Asia,Environmental Damage,Environmental Issues,Horizontal,International Landmark,Pollution,Serious,Tiananmen Square,Tourist,WalkingPhotographer Collection: Getty Images News 2013 Getty ImagesBEIJING, CHINA - JANUARY 29: Tourist walk on the Tiananmen Square during severe pollution on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January. (Photo by Feng Li/Getty Images)