A few blocks from the jewelry factory's entrance in La Paz, Bolivia, Julia and Maria look over their shoulders to see if the night guards are watching. The two young Aymara Indian women shiver in the cold night air and lower their heads as they speak.
"It's a horrible experience, but it's what I have to do to feed my kids," says Julia, a 20-something mother of two. "Supervisors yell at us constantly, and if we don't finish our work quickly enough, we are told: 'The doors are open for you to go.' "