AYemeni school girl poses for a picture outside a school on March 16, 2017, that was damaged in an air strike in the southern Yemeni city of Taez. The conflict in Yemen, which escalated with the intervention of the Saudi-led coalition two years ago, has more than doubled the number of children deprived of schooling to some 3.5 million, threatening the future of a whole generation in the impoverished country. / AFP PHOTO / Ahmad AL-BASHA (Photo credit should read AHMAD AL-BASHA/AFP/Getty Images)
