Analysis: If one is dead, he cannot smile. But in this case, it depicts the emptiness of the soldiers soul. Hell represents the consequence of the actions of killing. In this war, morality of the soldiers is flipped much like their emotion - killing is right and a smile means hopelessness and sadness, which condridicts the ideas in a civilised world, their world has been reversed. Death has polluted the individuals in every aspect of their lives, draining the energy to feel and soul to believe.