Chinese workers make their way on a scaffolding at a construction site in Qingdao, China's Shandong province on April 23, 2015.  An index of China's manufacturing activity fell to a 12-month low in April, indicating further weakness as growth sputters in the world's second-largest economy, as a British bank's preliminary purchasing managers' index (PMI) came in at 49.2, it said in a statement, below the breakeven point of 50 and the 49.6 final reading in March.          CHINA OUT      AFP PHOTO        (Photo credit should read STR/AFP/Getty Images)