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

Building. Construction view, upper stories

[Construction.]

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

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

Changing New York [Construction site.]

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

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

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

[Construction at 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.]

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

Changing New York [Construction site.]

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

[Construction of the New York World's Fair site, with the frames of the Trylon and Perisphere in the background.]