Young girls pose with stones at a quarry in Ouagadougou where adults and children work, on June 10, 2016. - The International labour Organisation marks on June 12, 2016 the World Day Against Child Labour, to draw attention on the plight of over 168 million children still in child labour. (Photo by NABILA EL HADAD / AFP) (Photo by NABILA EL HADAD/AFP via Getty Images)
