Helen F. Wilson is a social and cultural geographer and an Associate Professor in Human Geography at Durham University. Her research focuses on the politics of lived difference. She has published widely on the geographies of encounter, urban life and living, and how embodied difference is negotiated, contested, and supported in times of crisis and/or contestation. She is the co-editor of Encountering the City (Routledge, 2016). Jonathan Darling is an Assistant Professor in Human Geography at Durham University. His research focuses on the ethics and politics of forced migration and considers how cities engage with questions of asylum and refuge. He has published widely on the politics of urban sanctuary, on refugee activism, and on the ethics of working with vulnerable groups. He is co-editor of Encountering the City (2014, Routledge), and Sanctuary Cities and Urban Struggles (Manchester University Press).