A Freeport worker waits for a bus at Grasberg mine area in Tembagapura

A Freeport worker waits for a bus at Grasberg mine area in Tembagapura

A Freeport worker waits for a bus at Grasberg mine area in Tembagapura, Indonesia Papua province, August 14, 2013. Freeport-McMoRan Copper & Gold Inc's Indonesian subsidiary warned that output from Grasberg, the world's second-biggest copper mine, could be cut by a ban on unprocessed ore exports that takes effect next year. The Indonesian government is pushing miners, especially foreign-owned operations such as Freeport's Grasberg, to add more value within the country. Picture taken August 14, 2013. REUTERS/Muhammad Yamin (INDONESIA - Tags: POLITICS ENVIRONMENT BUSINESS EMPLOYMENT COMMODITIES) - RTX12M4R

March 17, 2017 1:59 PM (UTC+8)