In this Jan. 28, 2014 photo, a boy walks under backpacks that belong to children who work as porters at the El Abasto market in Santa Cruz, Bolivia. A 2008 study done by the International Labor Organization and Bolivian government found that 850,000 children ages 5 to 17 were working in Bolivia, roughly half in the countryside and half in the cities. (AP Photo/Juan Karita)
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