By the time they had called at the baker's and climbed to the top of Cap Diamant, the sun, dropping with incredible quickness, had already disappeared. They sat down in the blue twilight to eat their bread and await the turbid afterglow which is peculiar to Quebec in autumn; the slow, rich, prolonged flowing-back of crimson across the sky, after the sun has sunk behind the dark ridges of the west. Because of the haze in the air the colour seems thick, like a heavy liquid, welling up wave after wave, a substance that throbs, rather than a light.