A student practices at a mock casino run by the Macao Polytechnic Institute in Macau October 11, 2012. The gambling sector accounted for 40.9 percent of Macau's GDP in 2010 compared with the manufacturing sector which accounted for less than 1 percent in the same period, according to the latest government data available. Picture taken October 11, 2012. REUTERS/Bobby Yip (CHINA - Tags: BUSINESS SOCIETY EDUCATION)