Miners carry sacks of stones containing gold material at the site of Poboya gold mining area in Indonesia's Central Sulawesi province April 19, 2012. Indonesia is the fourth largest country in the world by population. Some 1.1 million people are employed in Indonesia's formal mining sector, according to the national statistic bureau. This figure does not include illegal miners. Picture taken April 19, 2012. REUTERS/Yusuf Ahmad (INDONESIA - Tags: BUSINESS COMMODITIES ENVIRONMENT EMPLOYMENT)