A member of the International Organization for Migration (IOM) gestures as he deals with a crowd of migrants in Assamaka, Niger, on March 29, 2023. Every week, hundreds of migrants sent back from Algeria are stranded in Assamaka, the first village on the Niger border. They are now more than 4,500 wandering in this tiny patch of land swept by the winds. Malians, Guineans, Ivorians, Syrians, Bangladeshis discover a new purgatory after walking 15 km in the desert. (Photo by STANISLAS POYET / AFP)