Syrian refugee Sarah, 13, shows the broken screen of her telephone, which is not suitable for online studying, at her family's tent in a refugees camp in the area of Tebrol in Lebanon's eastern Bekaa valley on April 26, 2021. - An accelerating economic crisis in Lebanon means some children may never return to school in what rights groups are calling an "education catastrophe", especially affecting refugees who already struggled to access learning before the pandemic. Mohammad and his siblings are among tens of thousands of Syrian, Lebanese and Palestinian children who have been left for months without schooling due to coronavirus restrictions. (Photo by JOSEPH EID / AFP)