Temporary, solitary, ephemeral places, “non-places” stripped of memory. The structures of surveillance and control, are instruments that standardise and limit movement through the urban landscape, are transformed into a protectionist chimera. Observing them is fundamental for understanding the disciplinary constraint brought to bear in order to eliminate subjectivities. Just as in the panoptical tower, the non visibility of the guard is not proof of his absence. On the contrary, it creates in the individual who observes the structures feelings of distrust and uncertainty that imposes discipline.