Ключевые слова: 9112001, america, anniversary, architecture, attack, attraction, background, building, center, city, concept, construction, destination, district, downtown, fountain, ground, historic, landmark, loss, manhattan, memorial of 911 september 2001, modern, mourning, national, new york, nyc, patriotic, plaza, remember, remembrance, reminder, resistance, sad, sadness, site, skyline, skyscraper, terror, terrorism, tower, usa, victims, water, wtc memorial plaza, zero,