Ключевые слова: 911, abstract, america, architecture, blue, building, buildings, city, cityscape, clouds, construction, designs, famous, glass, ground zero, historic, history, landmark, manhatten, metropolitan, monument, national, new world trade center, new york, new york city, ny, nyc, office buildings, offices, park, patterns, rceovery, reflection, reflections, sky, skyline, skyscraper, steel, symbol, travel, united states, urban, usa, windows,