"Corinne Dadat is 50, a cleaner at the Lycée Sainte-Marie in Bourges, on a permanent minimum-wage contract at the private school. I met her while she worked extra shifts at the Printemps de Bourges festival, and watched closely as she did her job, which is to clean. She told me straight away that at 50 she has no prospects of..." - a collaboration between a photographer and a theatre-maker on labour, dignity and the invisible work that keeps institutions running.