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

[Construction at 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 New York World's Fair site, detail of equipment.]

[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.]

[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.]

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

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

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

[Detail of pavilion during construction of the New York World's Fair site.]

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