An estimated 16.6 million children in sub-Saharan Africa alone are forced into illegal labor, according to the U.N. And despite being outlawed, advocates say child labor is on the rise. Globally, 1 in 10 children are now believed to be involved in some form of child labor. In this report from southern Burkina Faso, reporter Henry Wilkins looks at why child labor is such a persistent problem.

Camera: Henry Wilkins
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