Ключевые слова: 9, 11, air, america, american, architecture, army, attack, building, capital, casualties, city, columbia, dc, defense, democracy, department, district, exterior, facade, five, formidable, government, headquarters, heroes, label, landmark, landscape, memorial, military, monument, navy, office, patriotism, pentagon, political, politics, power, president, remembrance, residence, sides, states, symbol, terrorist, united, usa, war, washington, word,