see more

Adults and children work in a quarry in Ouagadougou on December 7, 2015. The International labour Organisation marks on June 12 the World Day Against Child Labour, to draw attention on the plight of over 168 million children still in child labour. / AFP / NABILA EL HADAD (Photo credit should read NABILA EL HADAD/AFP/Getty Images)

Adults and children work in a quarry in Ouagadougou on December 7, 2015. 
The International labour Organisation marks on June 12 the World Day Against Child Labour, to draw attention on the plight of over 168 million children still in child labour.  / AFP / NABILA EL HADAD        (Photo credit should read NABILA EL HADAD/AFP/Getty Images)