“When I go to the florist, I only buy lilacs/If my song sings sad, it’s because love is no longer there/As I was, in a way, in love with these flowers/ I entered through the door, through the Porte des Lilas,” sang Georges Brassens in 1957. Nearly seventy years later, his profile created in mosaic, frank, slightly laughing gaze, pipe in mouth, watches over the quay in direction of Châtelet, Porte des Lilas station, on line 11, on the border of Paris (19th and 20th arrondissements) and Lilas (Seine-Saint-Denis). A tribute to this song “Les Lilas” appearing on the album “Je me suis fait tout petit”. But for how long?