On that day in 1985, Minh looked up at Tiernan with a hint of a wistful smile and held out a flower he had fashioned from the aluminum wrapper in a pack of cigarettes.

For the dark tones, I chose 'Blenda Purple', a bright, mauve-purple colour and a Gompie Super, 'Smokey Purple' with a slatiness to the saturated colour and lovely for it.

He said: 'the smoke seemed to have an odd bloom to it at the base of the column that was streaming south of the city.