A conversation between Olga Subirós, architect and curator, Mar Santamaria, architect and urban planner at 300.000km/s and Carolyn Daher, coordinator of the Urban Planning, Environment and Health Initiative ISGlobal, around the theme of “Urban mutations” in relation with Topos 113/2020 issue. Introduction by Anja Koller, Topos editor and moderated by Sigrid Ehrmann, Topos contributor.