By Natalie Allen, CNN
Twelve-year-old Dieu wears a bright-green top sprinkled with yellow flowers as she squats in a pile of garbage with her mother.
The two talk and laugh while their hands work quickly, sorting plastic from the discarded food and waste.
A full bag will bring their family just pennies. But this is their life’s work. They live on a dump in Rach Gia, Vietnam, part of the Mekong Delta.