Ключевые слова: america, anniversary, attack, battle, beam, burning, ceremony, composition, date, death, emergency, forget, funeral, gloomy, grave, grief, hero, history, honor, horizontal, installing, journey, laying, lost, lying down, memorial, memory, military, nation, no people, patriotism, peace, people, prayer, respect, sad, sadness, skyscraper, sorrow, tombstone, tower, tribute, twin, united, us, victim, victory, war, world,