Jones and the most senior-looking of the soldiers, an Afghan named Abdul-Wahaab, took as many of the warm clothes as they could fit on their bodies, bundled themselves up, packed food and water for a couple of days’ journey, and, after a lengthy study of the survey map, trekked off into the woods. Zula, peering out through a gap between blankets, watched them go and thought that she understood their strategy: the snow was less deep in the trees, and it seemed that they were able to move a bit more rapidly there.