A foreman watches as Syrian children harvest onions from an agriculture field in the town of Rayak in the Bekaa valley, central Lebanon, on June 15, 2016. - A great number of Syrian refugee children and Arab tribes (nomads) children are being employed to work in harvesting the agricultural crops in the Bekaa valley. These children are payed around four US dollars a day for their work. (Photo by JOSEPH EID / AFP)        (Photo credit should read JOSEPH EID/AFP via Getty Images)