[Men working at the New York World's Fair construction site.]

[Men working at the New York World's Fair construction site.]

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

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

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

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

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

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

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