One common feature of the wave of recent revolutions and revolts around the world is not political but rather architectural: many erupted on inner-city roundabouts. In thinking about the relation between protest and urban form, Eyal Weizman starts with the May 1980 uprising in Gwangju, South Korea, the first of the roundabout revolutions, and traces its lineage to the Arab Spring and its hellish aftermath. Rereading the history of the roundabout through the vortices of history that traverse it, the book follows the development of the roundabout in Europe and North America in the early twentieth century, to its subsequent…