“On a beach of Berck-sur-Mer, Patrick Bouchain agreed to an ABD Primer. Twenty six lettres for twenty six words articulating concepts, anecdotes and memories… “. Une diagonale – conversation avec Patrick Bouchain is a documentary film by Nicola Delon and Julien Choppin on and with the architect of the “High Human Quality”. The DVD will be on sale on October 17, 2017 with Météore Films. It will premiere at the Biennale d’Architecture d’Orléans – Frac Centre-Val de Loire from October, 13 2017 on.