A few hundred yards along, they slowed for a few moments so that the woman in the green dress could gaze out the window at some new earthworks that had been thrown up there: a revetment for a pair of mortars. Then they moved on, a thicket of legs and a storm of reins, black against the fresh snow, which muffled the sounds of their passage and swallowed them up, leaving nothing for a painter to depict except a blank canvas, and nothing for a writer to describe except an empty page.