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