FILE - In this Aug. 1, 2011 file photo, a Chinese worker takes a rest on the suspended platform as he cleans glass windows of a building while high-rise buildings in the central business district are seen in the backdrop in Beijing, China. A skyscraper building boom in China and India may be a sign of an impending economic correction in two of Asia's largest economies, according to a new report by Barclays Capital. (AP Photo/Andy Wong, File)

Associated Press
FILE - In this Aug. 1, 2011 file photo, a Chinese worker takes a rest on the suspended platform as he cleans glass windows of a building while high-rise buildings in the central business district are seen in the backdrop in Beijing, China. A skyscraper building boom in China and India may be a sign of an impending economic correction in two of Asia's largest economies, according to a new report by Barclays Capital. (AP Photo/Andy Wong, File)
FILE - In this Aug. 1, 2011 file photo, a Chinese worker takes a rest on the suspended platform as he cleans glass windows of a building while high-rise buildings in the central business district are seen in the backdrop in Beijing, China. A skyscraper building boom in China and India may be a sign of an impending economic correction in two of Asia's largest economies, according to a new report by Barclays Capital. (AP Photo/Andy Wong, File)
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