The world's largest gold mining company has gone on trial in Indonesia accused of dumping millions of tons of mercury and arsenic-based pollutants in a picturesque bay, causing villagers to develop skin diseases and other illnesses. The case against the American-owned Newmont Mining Company is being closely watched by investors and environmentalists, who are waiting to see whether the Indonesian government will be prepared to punish a multi-national company for the first time in recent memory.