In this Jan. 9, 2017 photo, Zou Yi snaps a photo of the central business district, a daily ritual he has performed over four years to document the city's air quality, from his apartment in Beijing. There is no quick fix to the Chinese capital’s dirty skies, so Beijing residents are finding ways to cope with and adapt to the air pollution. In doing so, some residents are coming up with technological innovations they hope will make people more aware of the air they are breathing in around the world. (AP Photo/Ng Han Guan)
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