Building. Construction view, upper stories

[View of construction.]

Building. Construction view, upper stories

[Construction of Rockefeller Center.]

[Building construction.]

[Aerial view of construction in Midtown.]

[Aerial view of construction in Midtown.]

[Steel frame for National Bridge Works.]

[Construction of the New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]

[New York World's Fair. Pile driver with Perisphere and Trylon in background. Construction view.]

[Construction of 5 Columbus Circle (1790 Broadway).]

[Construction of the Perisphere, New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the Aviation building, New York World's Fair site.]

[New York World's Fair. Aviation Building, steel frame. Construction view.]