Sameer Ahmed, 65, a Syrian migrant puts water to sand in the third step of plantings project of rooftop farming in the Giza suburb of 6th on 6th of October. On a rooftop building, several Syrian migrants plant lettuce to sell in supermarkets, creating income for their families and making buildings greener by the International Organization of Migration (IOM) in collaboration with Schaduf, a local smart farming company, in Giza, Egypt November 3, 2022. REUTERS/Fatma Fahmy