1 world trade center
911
2013
american
architecture
blue
building exterior
built structure
city
cityscape
contrasts
corporate business
depth of field
downtown district
financial district
flag
flowing
freedom tower
front view
ground zero memorial
illuminated
july
landmarks
lower manhattan
manhattan
memorial
modern
monument
new york
new york city
office building
outdoors
red
september 11
sky
skyscraper
stars
stripes
sunset
urban scene
urban skyline
usa
vertical
water
white
world trade center