In this April 28, 2015 photo, businessmen walk by high-rise building in Tokyo.  Japan has reported its economy expanded at a faster-than-expected 2.4 percent annual rate in January-March, 2015, thanks largely to a rebound in housing construction. The government reported Wednesday, May 20, 2015,  that preliminary estimates show the world's third biggest economy expanded 0.6 percent from the previous quarter. It was the second straight quarter of growth following a recession in mid-2014 brought on by a sales tax hike that crippled private demand.  (AP Photo/Shuji Kajiyama)
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