![Mine workers operate ball mills](/sites/default/files/multimedia_images_2015/2359.jpg)
Mine workers operate ball mills in Malaya, Camarines Norte, with mercury-contaminated water flowing down by the sides.
© 2014 Mark Z. Saludes for Human Rights Watch
Mine workers operate ball mills in Malaya, Camarines Norte, with mercury-contaminated water flowing down by the sides.