Here, in Stalingrad, the glitter of sunlight on water, the colour of the sky and the clouds, struck him with a new intensity. It had been the same when he was a child: the patter of summer rain, a rainbow, his first glimpse of snow, had been enough to fill him with happiness. Now he had rediscovered this sense of wonder – something nearly all of us lose as we come to take the miracle of our lives for granted.