A Chinese bank worker counts stacks of 100 yuan (14.75 USD) notes at a bank in Huaibei, in eastern China's Anhui province on August 4, 2010. China must make the yuan exchange rate more flexible in the coming months to boost trade and help authorities restructure the economy, a central bank adviser was quoted as saying on August 5. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images)