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

[Detail of pile driver at New York World's Fair construction site.]

[New York World's Fair site under construction.]

[Night view of 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 with the frames of the Trylon and Perisphere in the background.]

[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 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 New York World's Fair site.]

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