Ключевые слова: apocalypse, army, atmosphere, background, barricade, barrier, battle, battlefields, black, boom, border, boundary, chaos, chemical, combat, concept, conflict, crash, danger, dangerous, dead, death, defense, destroyed, destruction, disaster, dramatic, environment, equipment, explode, explosive, factory, fire, force, group, history, isolated, metal, poison, pollution, protest, radioactive, revolt, smoke, smoke of war, toxic, war, warning, warrior, zone,