March 16, 2009
Photograph by Randy Olson
This Month in Photo of the Day: National Geographic Magazine Features
Kalimantan miners Sukardi and Suwarni (foreground) spend hours in a pond mixing mercury with ore to separate out the gold, while exposing themselves to the toxic metal. Workers also use the mercury-tainted water for drinking and bathing.
See more photographs from the January 2009 feature story "Gold."