A worker of state-coal miner PT Bukit Asam cleans a conveyor belt at the Tarahan coal port in Lampung province August 20, 2011. China Railway Group has been awarded a $1.3 billion contract to build a 307-km rail line from the giant Bukit Asam coal mine in South Sumatra to a new port near the city of Bandar Lampung. Acquiring the land for the railway highlights many of the issues in building infrastructure in Indonesia. Picture taken August 20, 2011. To match Special Report INDONESIA-INFRASTRUCTURE REUTERS/Dwi Oblo (INDONESIA - Tags: BUSINESS)