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TO GO WITH HongKong-health-environment-social-Noise by Laura Mannering 
In this picture taken on July 9, 2013 a worker uses a pneumatic drill on the pavement as pedestrians walk past in Hong Kong. With its pounding construction sites and constant roar of traffic, Hong Kong is a cacophony of noise with experts and residents calling on authorities to keep a lid on the din for the sake of public health.    AFP PHOTO / Philippe Lopez        (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)
TO GO WITH HongKong-health-environment-social-Noise by Laura Mannering 
In this picture taken on July 9, 2013 a worker uses a pneumatic drill on the pavement as pedestrians walk past in Hong Kong. With its pounding construction sites and constant roar of traffic, Hong Kong is a cacophony of noise with experts and residents calling on authorities to keep a lid on the din for the sake of public health.    AFP PHOTO / Philippe Lopez        (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)

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