On the 4th of May 02013, the cultural centre of Braine-L'alleud celebrated its 40th birthday. The festivities took place in the parc du Cheneau, an ideal setting for an outdoor gathering of no less than fourty local associations and clubs. The arts collective OST was invited to prepare an image exhibition and an activity for the occasion. A series of street interviews over the course of a day in five locations we questioned locals  of Braine-l'alleud about their ideas about the past fourty years as well as the next. with the visitors.