Original sentence: Extensive gold and copper mining have altered the landscape and led to numerous protests, which have been violently suppressed by the Indonesian military.The greatest problem faced by the Amungme today is the Grasberg mine, owned by Freeport-McMoRan, situated in the heart of Amungme territory
Edited sentence: Extensive gold and copper mining have destroyed the landscape and led to numerous protests, which have been violently suppressed by the Indonesian military.The greatest problem faced by the Amungme today is an enormous mine, owned by the United States and the United Kingdom, situated in the heart of Amungme territory