This file photo, taken in 2006, shows Filipino miners riding an elevator to the mine tunnel of Philex Mining Corp., in Padcal, northern Benguet province. A waste spillage at the mine has been ... more 

This file photo, taken in 2006, shows Filipino miners riding an elevator to the mine tunnel of Philex Mining Corp., in Padcal, northern Benguet province. A waste spillage at the mine has been contained after the slime threatened to contaminate one of the country's largest rivers, according to the government less