It required both determination and effort to take a little walking exercise. The ground was so densely crowded with holes and other devices for shelter that it took one at least ten minutes to pick his way through the narrow and tortuous labyrinth which served as paths for communication between different parts of the Camp. Still further, there was nothing to see anywhere or to form sufficient inducement for any one to make so laborious a journey. One simply encountered at every new step the same unwelcome sights that he had just left; there was a monotony in the misery as in everything else, and consequently the temptation to sit or lie still in one's own quarters became very great.