US president Joe Biden has vowed to plough ahead with the evacuation of those trying to flee Afghanistan, despite Thursday’s deadly bombing by Islamic State. As tens of thousands move to escape Taliban rule, Afghanistan’s diaspora is about to grow larger. What is the journey out of Kabul like? Will the US welcome this wave of new arrivals with compassion? And what lessons can we learn from previous generations of Afghan refugees? Andrew Mueller speaks to Fatimah Hossaini, Ryan Williams, and Nelufar Hedayat.