Explorations of Eight Crossings Around the World: Movements & Interactions Stéphane Lemoine / AP5 Mobility questions our ways of inhabiting the city. They are attached to multiple social approaches, constrained by the geography of the city and linked to the available energies. However, their deployments and their effects in the urban space remain little studied as an everyday experience. The frequentation of the city is mainly observed as a saturation or an animation and in an abstract and numerical way. But what is the nature of the movements in the cities, the daily life of more than half of the inhabitants of the planet? Resulting from a crossroads, the city has grown so much that we no longer look at how people meet in the central squares. What are the speeds, rhythms, interactions, trajectories, specificities in an urban square? Many data relate to flows, but most often with a finality on the speed