[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 New York World's Fair site.]

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

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

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

[New York World's Fair site, view of construction.]

[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 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.]

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