[Aerial view of the World Trade Center.]

[Aerial view of Lower Manhattan.]

[Aerial view of Midtown Manhattan.]

[Aerial view of the World Trade Center under construction.]

[Aerial view of the World Trade Center under construction.]

[Aerial view of the construction of the World Trade Center.]

[Aerial view of World Trade Center under construction.]

[Aerial view of World Trade Center under construction.]

[Aerial views of the World Trade Center during construction.]

[Aerial view of Lower Manhattan.]

[Aerial view of World Trade Center under construction.]

[Aerial view of World Trade Center construction site with numbers.]

[Aerial view of the World Trade Center construction site.]

[Aerial view of the World Trade Center site.]

[Aerial view of the World Trade Center construction site.]

[Aerial view of World Trade Center under construction.]

[Aerial view of the World Trade Center construction site.]

[Aerial view of World Trade Center under construction.]

[Aerial view of the construction of the World Trade Center.]

[Aerial view of construction of the World Trade Center.]